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Bitcoin Verde v1.1.0 : Schnorr Signatures

Bitcoin Verde v1.1.0 : Schnorr Signatures

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For those unacquainted:

Bitcoin Verde is an indexing full-node, written from the ground up in Java. Bitcoin Verde comes with a block explorer, and a stratum mining pool. While we consider v1.1.0 still a beta release, our public node (https://bitcoinverde.org) has been stable since January.

Bitcoin Verde is the first to write a Schnorr Signature verification algorithm for Java (using Pieter Wuille's specification) ; if others implementations or wallets need to use our implementation as a reference, it can be located here. Verde's Schnorr implementation has been tested against the same suite of tests as ABC's (Test file located here). We intend to submit a pull request to Bouncy Castle sometime in the future.

Things that are new this release:

  • HF20190515 rules are now supported. (Schnorr Signatures)
  • Headers are now bootstrapped during initial sync. (Can be disabled in conf/server.conf)
  • SPV Bloom Filters are supported.
  • Improved DOS defences against malicious nodes.
  • Adding ASIC Mining module and pool.
  • Misc. Explorer improvements.
  • Misc. performance improvements.

Similar to our previous release, Bitcoin Verde is very likely incompatible with Windows. Furthermore, it's an indexing node, and because of that will have more system requirements than a traditional node due to database indexes and the inherent underlying database structure. Our fully synced bitcoinverde.org node is currently using 615G disk space, and 21G of memory. Bitcoin Verde can be configured to run with far less memory, with a minimum around 2G. (Disable UTXO caching, disable TX Bloom Filter, set max database memory to ~1.5G). We highly recommend running BV on an SSD or M2. Traditional HDD drives are awful at random reads, and the last attempted initial-block-download we performed on an HDD took about 2+ weeks to complete.

If you have any problems with your node, please reach out to us at bitcoin-verde@softwareverde.com. We'd be happy to help and troubleshoot problems. Alternatively, you can report bugs or issues to our github.

We've been diligently working on a mobile wallet based on the Bitcoin Verde codebase. We hope to provide a more modern replacement for bitcoinj, while also supporting SLP tokens. We are also ensuring all Bitcoin Verde SPV code can be transpiled to Objective-C (with Swift Bindings) for use on iOS. Finally, Bitcoin Verde is experimenting with a new message to improve the initial synchronization of SPV wallets called addrblocks, which will greatly improve the ability to validate SLP tokens. Additionally/alternatively, we have been looking at supporting BIP-157 for a more privacy-oriented way to achieve near-instant SPV synchronization; we look forward to sharing these thoughts in the near future.

Again, thank you to the XT team for your support. Another thank you for the ABC team for welcoming us into your conversations, and for helping us understand some of the nuanced aspects of this HF.

To install/upgrade your nodes, clone/pull master at https://github.com/softwareverde/bitcoin-verde, and reference the README under Installing/Upgrading.

submitted by /u/FerriestaPatronum
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