# Bitcoin Cash II (BCH2)

> Bitcoin Cash II is a SHA-256 proof-of-work cryptocurrency that forked from BC2 (BitcoinII) at block 53,200, adopting Bitcoin Cash consensus rules including 32MB blocks, ASERT difficulty adjustment, CashAddr addressing, Schnorr signatures, CashTokens, and VM Limits.

## Key Facts

- Ticker: BCH2
- Algorithm: SHA-256 PoW
- Max Supply: 21,000,000 BCH2
- Block Reward: 50 BCH2 (halves every 210,000 blocks)
- Block Time: ~10 minutes
- Block Size: 32MB
- Fork Block: 53,200 (from BC2/BitcoinII)
- Distribution: 1:1 airdrop to all BC2 holders, no premine, no dev fee, no ICO
- Address Format: CashAddr (bitcoincashii:q...)
- Replay Protection: SIGHASH_FORKID

## Protocol Features

- ASERT difficulty adjustment (1-hour half-life at launch, transitions to 2-day at block 92,736)
- CashTokens (CHIP-2022-02) — fungible and non-fungible tokens on-chain
- VM Limits (CHIP-2021-05) — expanded script capabilities
- BigInt support (CHIP-2024-07)
- DSProof (double-spend proofs)
- Introspection opcodes
- ABLA (adaptive block limit algorithm)

## Resources

- Website: https://bch2.org
- Explorer: https://explorer.bch2.org
- Web Wallet: https://wallet.bch2.org
- Whitepaper: https://bch2.org/whitepaper.html
- GitHub: https://github.com/BitcoincashII
- Exchange: https://nonkyc.io/market/BCH2_USDT
- Mining Pool Stats: https://miningpoolstats.stream/bch2
- Discord: https://discord.gg/SGB2Gf3v6N

## Wallets

- Web Wallet: https://wallet.bch2.org (browser-based, non-custodial)
- Android Wallet: https://github.com/BitcoincashII/Bitcoin-Cash-II-Wallet-Android

## API

- Block Explorer API: https://explorer.bch2.org/api/v1/
- Electrum Server: electrum.bch2.org (TCP: 50001, SSL: 50002)
- MCP Server: https://bch2.org/.well-known/mcp/server-card.json