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Bitcoin Core :: Bitcoin Core 0.20.1
Bitcoin-qt upgrade issues
Hey. I just bought a new machine for the sole purpose of having a bitcoin client installed, since old one isn't so trusted now (very old netbook with bad battery, slow because of Atom processor and old HDD; upgraded to nice thinkpad with SSD). I decided to upgrade to 0.8.5 at last (used 0.8.3). And problems!
The thing is stuck at 250180 blocks for few hours now
segfaults every 15 minutes (i am starting it in loop... restarting as soon as it crashes)
whole process was VERY slow, only got up to 250180 after about 20 hours... and it's SSD!
Went back and installed 0.8.3 - blockchain is at 150k after 30 minutes, no crashes, no problems. Has anyone else got simillar issues? Of course it's running linux. But the bigger question is: am I missing anything from not running the newest version? I'll give 0.8.4 a try after this thing downloads the blockchain.
Warning messages were used in bitcoin QT to fraudulently "upgrade" miners to BTC blockstream. What's different about this social engineering "prevention" box in electron cash 4.0.3?
From electron cash 4.0.3 release notes: - Added fancy warning box on top of Console tab to prevent social engineering attacks (Axel Gembe)
Trying to salvage some coins from 2013. Core (bitcoin-qt.exe v0.8.1-beta on Windows 8.1) is taking weeks to DL the blockchain as expected but keeps crashing now. Can I upgrade to a newer version without losing what I've gotten already (about 75% complete)?
Currently there are 134305 blocks remaining. When I start it up it works pretty smoothly for a while but then slows down. I leave it running while I'm gone but the last several days when I've come back it has crashed and gives me an I/O error, and I have to hit OK then start it back up. It does appear to be further along when I start it back up but not by a whole lot. So this has really slowed my progress. It's reindexed about 75% though, and so I don't want to start over from the beginning. The drive it is on has ~400gb of free space so that's not the issue. I have 8gb of memory, and the task manager says bitcoin is taking up about 500mb, but it's using 60-85% of my cpu at a time. If I download a newer version of core, I can just copy/paste the old wallet.dat file, right? But wouldn't it have to start downloading the entire blockchain again from the beginning? If so, is there any quicker method? While typing this, it crashed twice. It only runs for about 10 minutes. The version I have doesn't have any settings I can change. I read that there's a db size limit you can change in later versions that could help. This one does have a "debug window" with a command line console but I don't really know what to do with it. Here is a list of available commands: 
Did anyone else upgrade to bitcoin-qt 0.13 on ubuntu 12.10
After upgrding from 0.12 -> 0.13 (using Matt Corallo's ubuntu ppa) I've noticed the package disappears and is replaced with a dummy package who's changelog reads:
Bitcoin dummy package - please upgrade to a newer distro for an up-to-date Bitcoin package. Due to change in Bitcoin Core 0.13.0, we can no longer reasonably ship Bitcoin Core for Ubuntu 12.04 LTS. You can either upgrade Ubuntu or download the statically-linked Bitcoin Core binaries from bitcoin.org
I wouldn't have upgraded if I knew it would render my wallet unusable. Can anyone suggest a way to downgrade the package back to 0.12 using the PPA or other methods? slight correction I'm running 12.04.5 not 12.10 as the headline reads.
Trying to salvage some coins from 2013. Core (bitcoin-qt.exe v0.8.1-beta on Windows 8.1) is taking weeks to DL the blockchain as expected but keeps crashing now. Can I upgrade to a newer version without losing what I've gotten already (about 75% complete)? /r/Bitcoin
So I installed Ubuntu 13.04 on an old laptop ages ago, followed by installing the bitcoin client v 0.85 (raring?) and for the life of me cannot figure out how to actually update the client. The PPA is already added to the system and I don't see any obvious means in the Ubuntu Software Center. Best I can tell, the raring version of Bitcoin is no longer built and the new versions are called Wily, and some others. I am not much of an Ubuntu guy, so I am hoping someone can provide some step-by-step guidance. Thanks
Pretty new to BTC - although I’m balls deep after rediscovering a wallet I messed around with in 2011 with a couple of coins in it. I quickly got the Bitcoin Core app for OS X, copied over the old wallet file, synced the whole blockchain and have just had it sitting there ever since. It’s version 0.15.0. My question is, if I want to upgrade it to a newer version, is it as simple as just downloading the new one and running the installer? Do I need to back up my wallet and reimport it or something? Thanks in advance, I feel like I won the lottery rediscovering these coins and now don’t want to fuck anything up.
Bitcoin-QT 0.10.0 :: Reminder to Upgrade your Full Node
I know v0.10.0 came out a while ago and I apologize for being slow on the uptake. However, a while ago I released a few scripts to easily run a full node on Debian (Linux). The scripts included an upgrade script (upgrade.sh). If you're using the package I created, be sure you run your upgrade script. It only takes about 30 seconds. (FYI: it'll restart bitcoin-qt deamon, so your peer connections will be reset.) There were some compatibility issues with my scripts from v0.9.3 to v0.10.0, and these have been updated. So be sure you pull the new version of the scripts:
cd /path/to/fullnode/scripts git pull origin master
It might even be wise to add it to a cron job, if you haven't already. It should be safe to run once a week, or month, etc (as root). If you're new to Linux or Debian, and want to do this, you may execute:
sudo crontab -e
Then, append:
0 0 1 * * /path/to/upgrade.sh
And save/exit. Obviously, replace "/path/to/upgrade.sh" to your absolute path to the upgrade script within the package I've made. The "0 0 1 * *" tells cron to run this script every first day of the month at midnight. If you aren't running a full node (on Debian) and would like to, here is a link to my scripts: https://github.com/joshmg/bitcoind Let me know if you have any questions or problems, etc. If you use cron to update the node, then I would advice against adding a "git pull" to your update cronjob in order to handle future compatibility. You shouldn't trust my repo without reading the scripts' code first.
Bitcoin-QT 0.9.3 :: Reminder to Upgrade your Full Node
A while ago I released a few scripts to easily run a full node on Debian (Linux). The scripts included an upgrade script (upgrade.sh). If you're using the package I created, be sure you run your upgrade script. It only takes about 30 seconds. (FYI: it'll restart bitcoin-qt deamon, so your peer connections will be reset.) It might even be wise to add it to a cron job, if you haven't already. It should be safe to run once a week, or month, etc (as root). If you're new to Linux or Debian, and want to do this, you may execute:
sudo crontab -e
Then, append:
0 0 1 * * /path/to/upgrade.sh
And save/exit. Obviously, replace "/path/to/upgrade.sh" to your absolute path to the upgrade script within the package I've made. The "0 0 1 * *" tells cron to run this script every first day of the month at midnight. If you aren't running a full node (on Debian) and would like to, here is a link to my scripts: https://github.com/joshmg/bitcoind Let me know if you have any questions or problems, etc.
https://github.com/gridcoin-community/Gridcoin-Research/releases/tag/5.0.0.0 Finally! After over ten months of development and testing, "Fern" has arrived! This is a whopper. 240 pull requests merged. Essentially a complete rewrite that was started with the scraper (the "neural net" rewrite) in "Denise" has now been completed. Practically the ENTIRE Gridcoin specific codebase resting on top of the vanilla Bitcoin/Peercoin/Blackcoin vanilla PoS code has been rewritten. This removes the team requirement at last (see below), although there are many other important improvements besides that. Fern was a monumental undertaking. We had to encode all of the old rules active for the v10 block protocol in new code and ensure that the new code was 100% compatible. This had to be done in such a way as to clear out all of the old spaghetti and ring-fence it with tightly controlled class implementations. We then wrote an entirely new, simplified ruleset for research rewards and reengineered contracts (which includes beacon management, polls, and voting) using properly classed code. The fundamentals of Gridcoin with this release are now on a very sound and maintainable footing, and the developers believe the codebase as updated here will serve as the fundamental basis for Gridcoin's future roadmap. We have been testing this for MONTHS on testnet in various stages. The v10 (legacy) compatibility code has been running on testnet continuously as it was developed to ensure compatibility with existing nodes. During the last few months, we have done two private testnet forks and then the full public testnet testing for v11 code (the new protocol which is what Fern implements). The developers have also been running non-staking "sentinel" nodes on mainnet with this code to verify that the consensus rules are problem-free for the legacy compatibility code on the broader mainnet. We believe this amount of testing is going to result in a smooth rollout. Given the amount of changes in Fern, I am presenting TWO changelogs below. One is high level, which summarizes the most significant changes in the protocol. The second changelog is the detailed one in the usual format, and gives you an inkling of the size of this release.
Highlights
Protocol
Note that the protocol changes will not become active until we cross the hard-fork transition height to v11, which has been set at 2053000. Given current average block spacing, this should happen around October 4, about one month from now. Note that to get all of the beacons in the network on the new protocol, we are requiring ALL beacons to be validated. A two week (14 day) grace period is provided by the code, starting at the time of the transition height, for people currently holding a beacon to validate the beacon and prevent it from expiring. That means that EVERY CRUNCHER must advertise and validate their beacon AFTER the v11 transition (around Oct 4th) and BEFORE October 18th (or more precisely, 14 days from the actual date of the v11 transition). If you do not advertise and validate your beacon by this time, your beacon will expire and you will stop earning research rewards until you advertise and validate a new beacon. This process has been made much easier by a brand new beacon "wizard" that helps manage beacon advertisements and renewals. Once a beacon has been validated and is a v11 protocol beacon, the normal 180 day expiration rules apply. Note, however, that the 180 day expiration on research rewards has been removed with the Fern update. This means that while your beacon might expire after 180 days, your earned research rewards will be retained and can be claimed by advertising a beacon with the same CPID and going through the validation process again. In other words, you do not lose any earned research rewards if you do not stake a block within 180 days and keep your beacon up-to-date. The transition height is also when the team requirement will be relaxed for the network.
GUI
Besides the beacon wizard, there are a number of improvements to the GUI, including new UI transaction types (and icons) for staking the superblock, sidestake sends, beacon advertisement, voting, poll creation, and transactions with a message. The main screen has been revamped with a better summary section, and better status icons. Several changes under the hood have improved GUI performance. And finally, the diagnostics have been revamped.
Blockchain
The wallet sync speed has been DRASTICALLY improved. A decent machine with a good network connection should be able to sync the entire mainnet blockchain in less than 4 hours. A fast machine with a really fast network connection and a good SSD can do it in about 2.5 hours. One of our goals was to reduce or eliminate the reliance on snapshots for mainnet, and I think we have accomplished that goal with the new sync speed. We have also streamlined the in-memory structures for the blockchain which shaves some memory use. There are so many goodies here it is hard to summarize them all. I would like to thank all of the contributors to this release, but especially thank @cyrossignol, whose incredible contributions formed the backbone of this release. I would also like to pay special thanks to @barton2526, @caraka, and @Quezacoatl1, who tirelessly helped during the testing and polishing phase on testnet with testing and repeated builds for all architectures. The developers are proud to present this release to the community and we believe this represents the starting point for a true renaissance for Gridcoin!
Summary Changelog
Accrual
Changed
Most significantly, nodes calculate research rewards directly from the magnitudes in EACH superblock between stakes instead of using a two- or three- point average based on a CPID's current magnitude and the magnitude for the CPID when it last staked. For those long-timers in the community, this has been referred to as "Superblock Windows," and was first done in proof-of-concept form by @denravonska.
Network magnitude unit pinned to a static value of 0.25
Max research reward allowed per block raised to 16384 GRC (from 12750 GRC)
New CPIDs begin accruing research rewards from the first superblock that contains the CPID instead of from the time of the beacon advertisement
Removed
500 GRC research reward limit for a CPID's first stake
6-month expiration for unclaimed rewards
10-block spacing requirement between research reward claims
Rolling 5-day payment-per-day limit
Legacy tolerances for floating-point error and time drift
The need to include a valid copy of a CPID's magnitude in a claim
10-block emission adjustment interval for the magnitude unit
Beacons
Added
One-time beacon activation requires that participants temporarily change their usernames to a verification code at one whitelisted BOINC project
Verification codes of pending beacons expire after 3 days
Self-service beacon removal
Changed
Burn fee for beacon advertisement increased from 0.00001 GRC to 0.5 GRC
Rain addresses derived from beacon keys instead of a default wallet address
Beacon expiration determined as of the current block instead of the previous block
Removed
The ability for developers to remove beacons
The ability to sign research reward claims with non-current but unexpired beacons
Unaltered
As a reminder:
Beacons expire after 6 months pass (180 days)
Beacons can be renewed after 5 months pass (150 days)
Renewed beacons must be signed with the same key as the original beacon
Superblocks
Added
Magnitudes less than 1 include two fractional places
Magnitudes greater than or equal to 1 but less than 10 include one fractional place
Changed
A valid superblock must match a scraper convergence
Removed
Superblock popularity election mechanics
Voting
Added
Yes/no/abstain and single-choice response types (no user-facing support yet)
Changed
To create a poll, a maximum of 250 UTXOs for a single address must add up to 100000 GRC. These are selected from the largest downwards.
Burn fee for creating polls scaled by the number of UTXOs claimed
50 GRC for a poll contract
0.001 GRC per claimed UTXO
Burn fee for casting votes scaled by the number of UTXOs claimed
0.01 GRC for a vote contract
0.01 GRC to claim magnitude
0.01 GRC per claimed address
0.001 GRC per claimed UTXO
Maximum length of a poll title: 80 characters
Maximum length of a poll question: 100 characters
Maximum length of a poll discussion website URL: 100 characters
Maximum number of poll choices: 20
Maximum length of a poll choice label: 100 characters
Removed
Magnitude, CPID count, and participant count poll weight types
The ability for developers to remove polls and votes
Detailed Changelog
[5.0.0.0] 2020-09-03, mandatory, "Fern"
Added
Backport newer uint256 types from Bitcoin #1570 (@cyrossignol)
Implement project level rain for rainbymagnitude #1580 (@jamescowens)
Upgrade utilities (Update checker and snapshot downloadeapplication) #1576 (@iFoggz)
Provide fees collected in the block by the miner #1601 (@iFoggz)
Add support for generating legacy superblocks from scraper stats #1603 (@cyrossignol)
Port of the Bitcoin Logger to Gridcoin #1600 (@jamescowens)
Implement zapwallettxes #1605 (@jamescowens)
Implements a global event filter to suppress help question mark #1609 (@jamescowens)
Add next target difficulty to RPC output #1615 (@cyrossignol)
Add caching for block hashes to CBlock #1624 (@cyrossignol)
Make toolbars and tray icon red for testnet #1637 (@jamescowens)
Add an rpc call convergencereport #1643 (@jamescowens)
Implement newline filter on config file read in #1645 (@jamescowens)
Implement beacon status icon/button #1646 (@jamescowens)
Add gridcointestnet.png #1649 (@caraka)
Add precision to support magnitudes less than 1 #1651 (@cyrossignol)
Replace research accrual calculations with superblock snapshots #1657 (@cyrossignol)
Publish example gridcoinresearch.conf as a md document to the doc directory #1662 (@jamescowens)
Add options checkbox to disable transaction notifications #1666 (@jamescowens)
Add support for self-service beacon deletion #1695 (@cyrossignol)
Add support for type-specific contract fee amounts #1698 (@cyrossignol)
Add verifiedbeaconreport and pendingbeaconreport #1696 (@jamescowens)
Add preliminary testing option for block v11 height on testnet #1706 (@cyrossignol)
Add verified beacons manifest part to superblock validator #1711 (@cyrossignol)
Implement beacon, vote, and superblock display categories/icons in UI transaction model #1717 (@jamescowens)
PSA: Enable Tor as a simple way to make your node reachable.
Become one of the 10% of node operators that receive incoming connections. Installing bitcoin core is easy, and with pruning it really isn't the space sink it is characterized as. Even a modest computer can complete the initial block download (IBD) and become a full node. But what some users (90%) find a bit more challenging, is how to become a listening node. Listening nodes are an important part of the network, and are simple enough to enable. I can think of 4 ways to do it:
Operate on an OS and Network that support uPnP, allowing bitcoin to open the ports for you.
Subscribe to a VPN that allows you to open ports through their service.
Manually configure your OS and network to forward port 8333 and 18333.
Run Tor and direct bitcoin to listen through it.
I'll discuss #4. Obviously #1 or #2 are easier, but require a VPN subscription or uPnP enabled HW. And if you live in a dorm or don't control the network, Tor may be the only free option available. As a bit of background, bitcoin supports three networks that your node can listen on:
IPv4 - This is the "legacy" internet that most are used to
IPv6 - A not so new upgrade allowing trillions of addresses instead of billions
Tor) - A privacy network allowing encrypted traffic to remain anonymous
Obviously, the more you enable, the better, but here are the basic steps for Tor in broad strokes. If you have any questions post them here and I'll see if we can't help you out:
Record the hostname: type .\HiddenService\hostname as
Add the bitcoin.conf options suggested below
Restart the bitcoin-qt program
(Optional) Activate the bitnodes crawler at https://bitnodes.io/nodes/-8333/
It may take a while for your node to show up on bitnodes. I've found the check button sometimes has trouble with onions. Of course you don't need to do it, but it can provide a simple way to check status once your on the list.
torrc file: (replace c:\windows with the proper path as needed)
```
Change to C:\Windows\ServiceProfiles\LocalService\AppData\Roaming
Log notice file \tor\service.log
Bridges may be needed if the Gov't shuts down Tor exit nodes. Get Bridges by
emailing [email protected] from Gmail (only) and uncomment as follows:
Windows / Linux Guide to using Trezor with Bitcoin Core (HWI)
This is a guide to using your Trezor with Bitcoin Core. It may seem like more trouble than it's worth but many applications use Bitcoin Core as a wallet such as LND, EPS, and JoinMarket. Learning how to integrate your Trezor into a Bitcoin Core install is rather useful in many unexpected ways. I did this all through the QT interfaces, but it's simple to script. There is a much simpler guide available from the HWI github, and the smallest Linux TLDR is here Unfortunately, I don't have access to a Coldcard or Ledger. I'm not sure how the setpin or -stdinpass parameters are handled on that HW.
( A ) Install TrezorCTL, HWI, and build GUI
You only need to set the wallet up once, but may repeat to upgrade
( B ) Create a Trezor wallet in Bitcoin Core (testnet)
You only need to set the wallet up once, no private key data is stored, only xpub data
( B.I ) Retrieve keypool from HWI-QT
Launch hwi-qt.exe --testnet (assuming testnet)
Click Set passphrase (if needed) to cache your passphrase then click Refresh
Select you trezor from the list then click Set Pin (if needed)
Ensure your Trezor in the dropdown has a fingerprint
Select Change keypool options and choose P2WPKH
Copy all the text from the Keypool textbox
( B.II ) Create the wallet in Bitcoin QT
Launch Bitcoin Core (testnet) (non-pruned) 2
Select Console from the Window menu
Create a wallet createwallet "hwi" true
Ensure that hwi is selected in the console wallet dropdown
Verify walletname using the getwalletinfo command
Import keypool importmulti '' (note ' caging)
Rescan if TXNs are missing rescanblockchain 3
( C.I ) Grab Tesnet coins
Select the Receive tab in Bitcoin Core (testnet)
Ensure that the Wallet dropdown has hwi selected
Select Create new receiving address and copy address
Google "bitcoin testnet faucet" and visit a few sites
Answer captcha and input your addressed copied from C.I.3
( D ) Spending funds with HWI
This is how you can spend funds in your Trezor using Bitcoin Core (testnet)
( D.I ) Create an unsigned PSBT
Select the Send tab in Bitcoin Core (testnet)
Ensure that the Wallet dropdown has hwi selected
Verify your balance in Watch-only balance
Rescan if balance is wrong (see B.II.7) 3
Craft your TXN as usual, then click Create Unsigned
Copy the PSBT to your clipboard when prompted
( D.II ) Sign your PSBT
In HWI-QT click Sign PSBT
Paste what you copied in D.I.6 in PSBT to Sign field
Click Sign PSBT
Copy the text for PSBT Result
( D.III ) Broadcast your TXN
Select the Console window in Bitcoin Core (testnet)
Ensure that the Wallet dropdown has hwi selected
Finalize PSBT: finalizepsbt
Copy the signed TXN hex from the hex field returned
Broadcast TXN: sendrawtransaction
Final Thoughts
I did this all through the GUI interfaces for the benefit of the Windows users. Windows console is fine, but the quote escaping in windows console is nightmarish. Powershell would be good, but that throws this on a whole another level for most Windows folks. There is also the need to use HWI-QT due to a bug in blank passphrases on the commandline. You can work around it by toggling passphrase off or on, but again, it's more than I wanted to spell out. Footnotes:
1. - Later version of python put the activate script under 'bin' instead of 'Script'
2. - You can run pruned, but you need to have a fresh wallet
3. - Rescan is automatic on 'importmulti' but I was pruned so it was wierd
starting from this update the repository is serving also ElectrsCash(**) v2.0.0, for now just for the amd64 architecture. To install it just execute this command:
Known issues: On Ubuntu 18.04 (bionic) you'll probably get an error while trying to install bitcoind. The error message is the following:
The following packages have unmet dependencies. bitcoind : Depends: libgcc-s1 (>= 3.4) but it is not installable E: Unable to correct problems, you have held broken packages. Package libgcc-s1 is not available, but is referred to by another package. This may mean that the package is missing, has been obsoleted, or is only available from another source
Windows Guide to using Trezor with Bitcoin Core (HWI)
This is a guide to using your Trezor with Bitcoin Core. It may seem like more trouble than it's worth but many applications use Bitcoin Core as a wallet such as LND, EPS, and JoinMarket. Learning how to integrate your Trezor into a Bitcoin Core install is rather useful in many unexpected ways. I did this all through the QT interfaces, but it's simple to script. There is a much simpler guide available from the HWI github, and the smallest TLDR is here
( A ) Install TrezorCTL, HWI, and build GUI
You only need to set the wallet up once, but may repeat to upgrade
( B ) Create a Trezor wallet in Bitcoin Core (testnet)
You only need to set the wallet up once, no private key data is stored, only xpub data
( B.I ) Retrieve keypool from HWI-QT
Launch hwi-qt.exe --testnet (assuming testnet)
Click Set passphrase (if needed) to cache your passphrase then click Refresh
Select you trezor from the list then click Set Pin (if needed)
Ensure your Trezor in the dropdown has a fingerprint
Select Change keypool options and choose P2WPKH
Copy all the text from the Keypool textbox
( B.II ) Create the wallet in Bitcoin QT
Launch Bitcoin Core (testnet) (non-pruned) 2
Select Console from the Window menu
Create a wallet createwallet "hwi" true
Ensure that hwi is selected in the console wallet dropdown
Verify walletname using the getwalletinfo command
Import keypool importmulti '' (note ' caging)
Rescan if TXNs are missing rescanblockchain 3
( C.I ) Grab Tesnet coins
Select the Receive tab in Bitcoin Core (testnet)
Ensure that the Wallet dropdown has hwi selected
Select Create new receiving address and copy address
Google "bitcoin testnet faucet" and visit a few sites
Answer captcha and input your addressed copied from C.I.3
( D ) Spending funds with HWI
This is how you can spend funds in your Trezor using Bitcoin Core (testnet)
( D.I ) Create an unsigned PSBT
Select the Send tab in Bitcoin Core (testnet)
Ensure that the Wallet dropdown has hwi selected
Verify your balance in Watch-only balance
Rescan if balance is wrong (see B.II.7) 3
Craft your TXN as usual, then click Create Unsigned
Copy the PSBT to your clipboard when prompted
( D.II ) Sign your PSBT
In HWI-QT click Sign PSBT
Paste what you copied in D.I.6 in PSBT to Sign field
Click Sign PSBT
Copy the text for PSBT Result
( D.III ) Broadcast your TXN
Select the Console window in Bitcoin Core (testnet)
Ensure that the Wallet dropdown has hwi selected
Finalize PSBT: finalizepsbt
Copy the signed TXN hex from the hex field returned
Broadcast TXN: sendrawtransaction
Final Thoughts
I did this all through the GUI interfaces for the benefit of the Windows users. Windows console is fine, but the quote escaping in windows console is nightmarish. Powershell would be good, but that throws this on a whole another level for most Windows folks. There is also the need to use HWI-QT due to a bug in blank passphrases on the commandline. You can work around it by toggling passphrase off or on, but again, it's more than I wanted to spell out. Footnotes:
1. - Later version of python put the activate script under 'bin' instead of 'Script'
2. - You can run pruned, but you need to have a fresh wallet
3. - Rescan is automatic on 'importmulti' but I was pruned so it was wierd
New England New England 6 States Songs: https://www.reddit.com/newengland/comments/er8wxd/new_england_6_states_songs/ NewEnglandcoin Symbol: NENG NewEnglandcoin is a clone of Bitcoin using scrypt as a proof-of-work algorithm with enhanced features to protect against 51% attack and decentralize on mining to allow diversified mining rigs across CPUs, GPUs, ASICs and Android phones. Mining Algorithm: Scrypt with RandomSpike. RandomSpike is 3rd generation of Dynamic Difficulty (DynDiff) algorithm on top of scrypt. 1 minute block targets base difficulty reset: every 1440 blocks subsidy halves in 2.1m blocks (~ 2 to 4 years) 84,000,000,000 total maximum NENG 20000 NENG per block Pre-mine: 1% - reserved for dev fund ICO: None RPCPort: 6376 Port: 6377 NewEnglandcoin has dogecoin like supply at 84 billion maximum NENG. This huge supply insures that NENG is suitable for retail transactions and daily use. The inflation schedule of NengEnglandcoin is actually identical to that of Litecoin. Bitcoin and Litecoin are already proven to be great long term store of value. The Litecoin-like NENG inflation schedule will make NewEnglandcoin ideal for long term investment appreciation as the supply is limited and capped at a fixed number Bitcoin Fork - Suitable for Home Hobbyists NewEnglandcoin core wallet continues to maintain version tag of "Satoshi v0.8.7.5" because NewEnglandcoin is very much an exact clone of bitcoin plus some mining feature changes with DynDiff algorithm. NewEnglandcoin is very suitable as lite version of bitcoin for educational purpose on desktop mining, full node running and bitcoin programming using bitcoin-json APIs. The NewEnglandcoin (NENG) mining algorithm original upgrade ideas were mainly designed for decentralization of mining rigs on scrypt, which is same algo as litecoin/dogecoin. The way it is going now is that NENG is very suitable for bitcoin/litecoin/dogecoin hobbyists who can not , will not spend huge money to run noisy ASIC/GPU mining equipments, but still want to mine NENG at home with quiet simple CPU/GPU or with a cheap ASIC like FutureBit Moonlander 2 USB or Apollo pod on solo mining setup to obtain very decent profitable results. NENG allows bitcoin litecoin hobbyists to experience full node running, solo mining, CPU/GPU/ASIC for a fun experience at home at cheap cost without breaking bank on equipment or electricity. MIT Free Course - 23 lectures about Bitcoin, Blockchain and Finance (Fall,2018) https://www.youtube.com/playlist?list=PLUl4u3cNGP63UUkfL0onkxF6MYgVa04Fn CPU Minable Coin Because of dynamic difficulty algorithm on top of scrypt, NewEnglandcoin is CPU Minable. Users can easily set up full node for mining at Home PC or Mac using our dedicated cheetah software. Research on the first forked 50 blocks on v1.2.0 core confirmed that ASIC/GPU miners mined 66% of 50 blocks, CPU miners mined the remaining 34%. NENG v1.4.0 release enabled CPU mining inside android phones. Youtube Video Tutorial How to CPU Mine NewEnglandcoin (NENG) in Windows 10 Part 1 https://www.youtube.com/watch?v=sdOoPvAjzlE How to CPU Mine NewEnglandcoin (NENG) in Windows 10 Part 2 https://www.youtube.com/watch?v=nHnRJvJRzZg How to CPU Mine NewEnglandcoin (NENG) in macOS https://www.youtube.com/watch?v=Zj7NLMeNSOQ Decentralization and Community Driven NewEnglandcoin is a decentralized coin just like bitcoin. There is no boss on NewEnglandcoin. Nobody nor the dev owns NENG. We know a coin is worth nothing if there is no backing from community. Therefore, we as dev do not intend to make decision on this coin solely by ourselves. It is our expectation that NewEnglandcoin community will make majority of decisions on direction of this coin from now on. We as dev merely view our-self as coin creater and technical support of this coin while providing NENG a permanent home at ShorelineCrypto Exchange. Twitter Airdrop Follow NENG twitter and receive 100,000 NENG on Twitter Airdrop to up to 1000 winners Graphic Redesign Bounty Top one award: 90.9 million NENG Top 10 Winners: 500,000 NENG / person Event Timing: March 25, 2019 - Present Event Address: NewEnglandcoin DISCORD at: https://discord.gg/UPeBwgs Please complete above Twitter Bounty requirement first. Then follow Below Steps to qualify for the Bounty: (1) Required: submit your own designed NENG logo picture in gif, png jpg or any other common graphic file format into DISCORD "bounty-submission" board (2) Optional: submit a second graphic for logo or any other marketing purposes into "bounty-submission" board. (3) Complete below form. Please limit your submission to no more than two total. Delete any wrongly submitted or undesired graphics in the board. Contact DISCORD u/honglu69#5911 or u/krypton#6139 if you have any issues. Twitter Airdrop/Graphic Redesign bounty sign up: https://goo.gl/forms/L0vcwmVi8c76cR7m1 Milestones
Sep 3, 2018 - Genesis block was mined, NewEnglandcoin created
Sep 8, 2018 - github source uploaded, Window wallet development work started
Sep 11,2018 - Window Qt Graphic wallet completed
Sep 12,2018 - NewEnglandcoin Launched in both Bitcointalk forum and Marinecoin forum
Sep 14,2018 - NewEnglandcoin is listed at ShorelineCrypto Exchange
Sep 17,2018 - Block Explorer is up
Nov 23,2018 - New Source/Wallet Release v1.1.1 - Enabled Dynamic Addjustment on Mining Hashing Difficulty
Nov 28,2018 - NewEnglandcoin became CPU minable coin
Nov 30,2018 - First Retail Real Life usage for NewEnglandcoin Announced
Dec 28,2018 - Cheetah_Cpuminer under Linux is released
Dec 31,2018 - NENG Technical Whitepaper is released
Jan 2,2019 - Cheetah_Cpuminer under Windows is released
Jan 12,2019 - NENG v1.1.2 is released to support MacOS GUI CLI Wallet
Jan 13,2019 - Cheetah_CpuMiner under Mac is released
Feb 11,2019 - NewEnglandcoin v1.2.0 Released, Anti-51% Attack, Anti-instant Mining after Hard Fork
Mar 16,2019 - NewEnglandcoin v1.2.1.1 Released - Ubuntu 18.04 Wallet Binary Files
Apr 7, 2019 - NENG Report on Security, Decentralization, Valuation
Apr 21, 2019 - NENG Fiat Project is Launched by ShorelineCrypto
Sep 1, 2019 - Shoreline Tradingbot project is Launched by ShorelineCrypto
Dec 19, 2019 - Shoreline Tradingbot v1.0 is Released by ShorelineCrypto
Jan 30, 2020 - Scrypt RandomSpike - NENG v1.3.0 Hardfork Proposed
Feb 24, 2020 - Scrypt RandomSpike - NENG core v1.3.0 Released
Jun 19, 2020 - Linux scripts for Futurebit Moonlander2 USB ASIC on solo mining Released
Jul 15, 2020 - NENG v1.4.0 Released for Android Mining and Ubuntu 20.04 support
Jul 21, 2020 - NENG v1.4.0.2 Released for MacOS Wallet Upgrade with Catalina
Jul 30, 2020 - NENG v1.4.0.3 Released for Linux Wallet Upgrade with 8 Distros
Aug 11, 2020 - NENG v1.4.0.4 Released for Android arm64 Upgrade, Chromebook Support
Aug 30, 2020 - NENG v1.4.0.5 Released for Android/Chromebook with armhf, better hardware support
Roadmap
2018 Q3 - Birth of NewEnglandcoin, window/linux wallet - Done
2018 Q4 - Decentralization Phase I
Blockchain Upgrade - Dynamic hashing algorithm I - Done
Cheetah Version I- CPU Mining Automation Tool on Linux - Done
2019 Q1 - Decentralization Phase II
Cheetah Version II- CPU Mining Automation Tool on Window/Linux - Done
Blockchain Upgrade Dynamic hashing algorithm II - Done
2019 Q2 - Fiat Phase I
Assessment of Risk of 51% Attack on NENG - done
Launch of Fiat USD/NENG offering for U.S. residents - done
Initiation of Mobile Miner Project - Done
2019 Q3 - Shoreline Tradingbot, Mobile Project
Evaluation and planning of Mobile Miner Project - on Hold
Initiation of Trading Bot Project - Done
2019 Q4 - Shoreline Tradingbot
Shoreline tradingbot Release v1.0 - Done
2020 Q1 - Evaluate NENG core, Mobile Wallet Phase I
NENG core Decentralization Security Evaluation for v1.3.x - Done
Light Mobile Wallet Project Initiation, Evaluation
2020 Q2 - NENG Core, Mobile Wallet Phase II
NENG core Decentralization Security Hardfork on v1.3.x - Scrypt RandomSpike
Light Mobile Wallet Project Design, Coding
2020 Q3 - NENG core, NENG Mobile Wallet Phase II
Review on results of v1.3.x, NENG core Dev Decision on v1.4.x, Hardfork If needed
Light Mobile Wallet Project testing, alpha Release
2020 Q4 - Mobile Wallet Phase III
Light Mobile Wallet Project Beta Release
Light Mobile Wallet Server Deployment Evaluation and Decision
starting from this update the repository is serving also ElectrsCash(**) v2.0.0, for now just for the amd64 architecture. To install it just execute this command:
Known issues: On Ubuntu 18.04 (bionic) you'll probably get an error while trying to install bitcoind. The error message is the following:
The following packages have unmet dependencies. bitcoind : Depends: libgcc-s1 (>= 3.4) but it is not installable E: Unable to correct problems, you have held broken packages. Package libgcc-s1 is not available, but is referred to by another package. This may mean that the package is missing, has been obsoleted, or is only available from another source
November 15th, 2020 Planned Network Upgrade. The Bitcoin Cash network will undergo a protocol upgrade as per the roadmap.Businesses and individuals who use the Bitcoin Cash network should check to ensure that their software is compatible with the upgrade. Bitcoin Core (formerly Bitcoin-Qt) is the third Bitcoin client, developed by Wladimir van der Laan based on the original reference code by Satoshi Nakamoto. It has been bundled with bitcoind since version 0.5. Bitcoin-Qt has been rebranded to Bitcoin Core since version 0.9.0 .. Bitcoin Core can be used as a desktop client for regular payments or as a server utility for merchants and other ... I plan an upgrade of an old "BitCoin-QT" Core client wallet from 'V0.7 2-beta' to the latest Bitcoin Core 0.15 (Oct 2017). I've got good instruction on the upgrade path - but my questions is: Be... Upgrade from Bitcoin QT 0.8.5 to latest Bitcoin Core 0.15.X. 2. How to upgrade Bitcoin Core from 0.18 to 0.20 on Ubuntu 18.04? 0. Upgrade apt bitcoin-core package. Hot Network Questions Are recipes for Antonin Carême's original mother sauces available? Linux: clicking on bitcoin: links was broken if you were using a Gnome-based desktop. Fix a hang-at-shutdown bug that only affects users that compile their own version of Bitcoin against Boost versions 1.50-1.52. Other changes
Let's update our Raven Core Desktop (QT) wallet to version 2.1! NOTE: Video is a little dated, but the basic steps still apply. Don't forget to SUBSCRIBE! ... Bitcoin was scheduled to upgrade around Nov. 16 following a proposal called SegWit2x, which would have split the digital currency in two. » Subscribe to CNBC... Upgrade Option to An Exclusive Hippos Signals channel Chat channels for collaboration And So Much More! #cryptohippo #bitcoin #technicalanalysis #cryptocurrency #elliotwave #tradingeducation # ... The Crypto Dad shows you how to download and setup the new Verge Wraith wallet (Windows Tor QT Wallet). Verge is a cryptocurrency designed with privacy in mind. It is much faster that Bitcoin with ... How To Update Your Litecoin Core Wallet (0.15.1) This is a step by step simple tutorial on how to update your litecoin core wallet. I am using Litecoin core as my desktop wallet because it is the ...
