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Overview

Introduction to the BTX protocol and node software.

تم التحديث: 2026-08-04 تحرير على GitHub عرض المصدر
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التعدين

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لفرق API وبيئات العملاء والبوابات

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افتح المسار

Current release: BTX v0.33.2

Upgrade before mainnet height 185,000. That block atomically activates MatMul v4.7 Profile 1 ExactReplay, BMX4C encoding, and Resident Curriculum.

Use the signed GitHub release from source commit b4671ec28bb24e2fcbdd8252576119d54fd95238. The release includes macOS Apple Silicon, Linux x86-64, Linux x86-64 CUDA 13, and source archives. Verify SHA256SUMS.asc with the BTX release key before replacing binaries. The independently signed btx.dev automatic-updater channel is still pinned to v0.32.8, so it must not be used as evidence that v0.33.2 was installed. 

git clone https://github.com/btxchain/btx.git
cd btx
git checkout v0.33.2
git verify-tag v0.33.2

The optional mainnet snapshot is at height 179,000 with block hash 2dd1d545b1b5e76c28b4414ebe0c22b1ba9d3ebd88662fbd1b9e4d0cf6693933. Verify its signed manifest and 2bc308713cb8c083698ca228de1ecf7a8c2800dd09894cac6c0f9dff22d7f494 digest before loading it. A snapshot shortens bootstrap; it does not change the need to verify the release, activation schedule, and resulting chain tip.

What is BTX?

BTX is a peer-to-peer computational settlement system combining matrix-multiplication proof-of-work, post-quantum spend policies, shielded settlement with selective disclosure, and a layered architecture designed for institutions, exchanges, bridges, and autonomous agents.

The protocol is built on Bitcoin Knots v29.2 and diverges from upstream Bitcoin in several fundamental ways:

  • MatMul Proof-of-Work — mainnet uses 512×512 MatMul v3 below height 185,000, then activates v4.7 Profile 1 ExactReplay with four sequential Resident Curriculum rounds on qualified accelerators
  • Post-Quantum Cryptography — ML-DSA-44 (FIPS 204) and SLH-DSA-128s (FIPS 205) spend paths from genesis
  • Shielded Settlement — SMILE v2 was introduced at block 0; current production support is limited to shielded-to-transparent exits and recovery after the 125000/128000 shield-ingress sunsets
  • 90-second blocks with per-block ASERT difficulty adjustment
  • 21M fixed supply, 20 BTX initial subsidy, 525,000-block halving interval

Network Parameters

Default Ports

NetworkRPC PortP2P Port
Mainnet1933419335
Testnet32933429335
Testnet44833248333
Signet3833238333
Regtest1844318444
shieldedv2dev1944319444

Chain Parameters

ParameterMainnetTest NetworksRegtest
Pre-v4.7 / legacy Matrix Dimension51225664
v4.7 Epoch-A Profile 14,096 from height 185,000Not activeTest-only / configuration-dependent
Noise Rank844
Block Time Target90s90s0s
Block Weight Limit24 MWU24 MWU24 MWU
Address FormatBech32m witness v2 P2MR (btx1z...)

Quick Start

Build the node from source:

git clone https://github.com/btxchain/btx
cd btx
cmake -B build-btx
cmake --build build-btx -j$(nproc)

Start the mainnet node:

./build-btx/bin/btxd -mainnet -rpcport=19334

Check network status:

./build-btx/bin/btx-cli -rpcport=19334 getmininginfo

Architecture

BTX follows a narrow base layer philosophy. The base layer orders settlement instructions, enforces spend conditions, maintains transparent and shielded state, and publishes a public work benchmark. Higher-layer systems — bank ledgers, exchanges, bridge operators, agent coordination services — settle against that base without sharing a global runtime.

The rules of settlement are identical for every participant. Any participant satisfying the spend conditions can settle. Any participant not satisfying them cannot.

Next Steps