Download the latest Bitcoin Cash compatible release of Bitcoin Unlimited (1.4.0.0, August 17th, 2018) from:
https://www.bitcoinunlimited.info/download
This release is a major release which is compatible with the Bitcoin Cash compatible with the Bitcoin Cash specifications you could find here:
- https://github.com/bitcoincashorg/spec/blob/master/uahf-technical-spec.md (Aug 1st '17 Protocol Upgrade)
- https://github.com/bitcoincashorg/spec/blob/master/nov-13-hardfork-spec.md (Nov 13th '17 Protocol Upgrade)
- https://github.com/bitcoincashorg/spec/blob/master/may-2018-hardfork.md (May 15th '18 Protocol Upgrade)
A subsequent release containing the implementation of the November 2018 specification will be released soon after this one.
List of notable changes and fixes to the code base:
- Graphene Relay: A protocol for efficiently relaying blocks across a blockchain's network (experimental, turned off by default, set
use-grapheneblocks=1
to turn it on, spec draft ) - blocksdb: Add leveldb as an alternative storage method for blocks and undo data (experimental, on-disk blocksdb data formats may change in subsequent releases, turned off by default)
- Double Spend Relaying
- BIP 135: Generalized version bits miners voting
- Clean up shadowing/thread clang warn
- Update depends libraries
- Rework of the Bitcoin fuzzer command line driver tool
- Add stand alone cpu miner to the set of binaries (useful to showcase the new mining RPC calls, provides a template for development of mining pool software, and is valuable for regtest/testnet mining)
- Cashlib: create a shared library to make creating wallets easier (experimental, this library factors useful functionality out of bitcoind into a separate shared library that is callable from higher level languages. Currently supports transaction signing, additional functionality TBD)
- Improve QA machinery (travis mainly)
- Port Hierarchical Deterministic wallet (BIP 32)
- add space-efficient mining RPC calls that send only the block header, coinbase transaction, and merkle branch: getminingcandidate, submitminingsolution
Release notes: https://github.com/BitcoinUnlimited/BitcoinUnlimited/blob/dev/doc/release-notes/release-notes-bucash1.4.0.0.md
Ubuntu PPA repository for BUcash 1.4.0.0 is in the process of being updated
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source https://www.reddit.com/r/btc/comments/98ajic/bitcoin_unlimited_bitcoin_cash_edition_1400_has/
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