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)
Exchange & Mining Pool Registration Information
Basic Information
| Coin Name | Bitcoin-Blu |
| Ticker Symbol | BBLU |
| Max Supply | 21,000,000 BBLU |
| Total Supply | 21,000,000 BBLU |
| Consensus Mechanism | Proof of Work (PoW) |
| Algorithm | SHA-256 |
| Genesis Block Date | 2025-07-25 07:06:21 UTC |
Network Configuration
| Chain Name | main-blu |
| P2P Port (Mainnet) | 8343 |
| RPC Port (Mainnet) | 8342 |
| Magic Bytes (Mainnet) | 0xf9beb5da |
| BIP44 Coin Type | 4353123 (0x80426c63) |
| Executable Name | bitcoinblu-d (daemon), bitcoinblu-cli (CLI) |
Block Information
| Block Time | 600 seconds (10 minutes) |
| Initial Block Reward | 50 BBLU |
| Halving Interval | 210,000 blocks |
| Coinbase Maturity | 100 blocks |
| Max Halvings | 64 (reward stops after 64 halvings) |
| PoW Target Timespan | 1,209,600 seconds (2 weeks) |
Address Formats
| Type | Prefix | Example |
|---|---|---|
| Legacy (P2PKH) | B | BFT1v37hk8mMarJvX5Uy4mJZkDJsS2kmWC |
| SegWit (P2SH-P2WPKH) | b | brDhW3dP3ypoZZ6wuqdL9ueAcbL289nAGH |
| Native SegWit (P2WPKH) | bb | bb1quzdkde7zpxz7hzdnm54y4sjqqrfkk7pjtpgsmp |
API Endpoints
The following API endpoints are available for integration:
| Chain Information | https://www.bitcoin-blu.org/api/bblu/chain/v1/ |
| Circulating Supply | https://www.bitcoin-blu.org/api/bblu/chain/v1/circulating_supply (returns plain text: 2431800.00000000) |
| Total Supply | https://www.bitcoin-blu.org/api/bblu/chain/v1/total_supply (returns plain text: 21000000.00000000) |
| Average Price | https://www.bitcoin-blu.org/api/bblu/averageprice/v1/ |
| ElectrumX Server | https://electrumx.bitcoin-blu.org |
Resources
- Official Website: https://www.bitcoin-blu.org
- GitHub Repository: https://github.com/bitcoin-blu/bitcoin-blu
- Source Code: Based on Bitcoin Core v28.2 https://github.com/bitcoin-blu/bitcoin-blu
- Downloads: https://www.bitcoin-blu.org/downloads
- Logo: https://www.bitcoin-blu.org/logo/bitcoin-blu-1024-1024.png
Note for Exchanges & Mining Pools: This information is provided to facilitate integration. For technical support or questions regarding integration, please refer to the GitHub repository or contact the Bitcoin-Blu community through the official channels listed above.