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Clearbit

Bitcoin full node in Zig

Zig
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About

A Bitcoin full node written in Zig, emphasizing compile-time safety, manual memory management, and zero hidden allocations.

Completion 95%

Mainnet sync

At Chain Tip
100%
Block height
948,374
Sync rate
At tip
Test vectors
1222/1222

Tech stack

Language
Zig
Storage
RocksDB
Crypto
libsecp256k1 (C FFI)
Lines of code
68,400

Quick start

terminal
$ git clone https://github.com/hashhog/clearbit.git
$ cd clearbit
$ zig build -Doptimize=ReleaseFast

Features

✓ Wire serialization
✓ Cryptographic primitives
✓ Script interpreter
✓ P2P networking
✓ Block validation
✓ UTXO set management
✓ Header sync
✓ Block sync (IBD)
✓ Mempool
✓ RPC server
✓ Wallet
✓ Mining/block templates
✓ Script test vectors (1222/1222)
✓ Testnet4 sync
✓ Mainnet sync
✓ BIP324 v2 transport
✓ BIP-39 mnemonic
✓ HD wallet (BIP-32/44)
✓ Taproot signing (BIP-340/341)
○ Tapscript signing (BIP-342)