Technical Specification
Download and Install Bitcoin-Blu Full Node
Option A: Build from Source
Download source from GitHub https://github.com/bitcoin-blu/bitcoin-blu
Option B: Download precompiled version from the download page
What is not changed in contrast to Bitcoin
- Coinbase Maturity: 100 blocks before coinbase is spendable
- Block Reward: Initial block subsidy of 50 * COIN
- Halving Interval: 210,000 blocks per subsidy halving
- Max Money 21 million BBLU cap
- PoW Target Timespan: 1,209,600 seconds (2 weeks)
- PoW Target Spacing: 600 seconds (10 minutes per block)
- Max Halvings: Reward stops after 64 halvings
Key Differences from Bitcoin (see details on github)
- Changed the name of the runnables to from bitcoind to bitcoinblu-d and from bitcoin-cli to bitcoinblu-cli
- Changed chain name to Bitcoin-Blu: main-blu
- Changed default ports for all networks (mainnet: 8343)
- Changed default RPC port for all networks (mainnet: 8342)
- Created and restarted a new blockchain (2025-07-25 07:06:21)
- Changed prefixes of addresses, keys, and messages
- Legacy (P2PKH) addresses start with 'B' (e.g. BFT1v37hk8mMarJvX5Uy4mJZkDJsS2kmWC)
- SegWit (P2SH-P2WPKH) addresses start with 'b' (e.g. brDhW3dP3ypoZZ6wuqdL9ueAcbL289nAGH)
- Native SegWit (P2WPKH) addresses start with 'bb' (e.g. bb1quzdkde7zpxz7hzdnm54y4sjqqrfkk7pjtpgsmp)
- Changed icon
- Changed currency name to Bitcoin-Blu (BBLU)