# Bitcoin RXC
> The Bitcoin Satoshi Nakamoto intended. Proof-of-work issuance on RichX Chain.

- Token: Bitcoin RXC (RBTX), RXC-20 on RichX Chain (chain ID 20260903), 8 decimals
- Contract: 0xFcf33b5bd3Ec789cCc05Ba04388B309224eD5065 · deployed 5 September 2026
- Maximum supply 21,000,000 · zero premine (totalSupply was 0 at deployment)
- Issuance only by proof of work: Keccak-256(challenge, miner address, nonce) below the target; 5 per claim; halving every 2,100,000 claims; difficulty retargets every 512 claims toward ~60 seconds
- No owner, no pause, no freeze, no blacklist, no upgrade path — a defect cannot be patched
- RichX Chain is proof of authority: validators could delay, censor or stop blocks
- Source (solc 0.8.20, EVM London, optimizer 200) reproduces the deployed executable bytecode; no third-party audit published
- Mining: public mining opens soon; miner and setup guide at https://richbtx.com. Early developer mining before the public announcement is disclosed.
- Part of the mined Bitcoin RXC is offered on RichXchange (Bitcoin RXC / RICHX). No established market price.
- Separate token, network, code and history from Bitcoin (BTC).
- Publisher: Bitcoin RXC LLC, Wyoming (entity 1067371). Nobody from the project will ever contact anyone.