> For the complete documentation index, see [llms.txt](https://docs.bitcoincode.technology/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.bitcoincode.technology/block-chain.md).

# BLOCK CHAIN

- [BTC20 Smart Chain](https://docs.bitcoincode.technology/block-chain/btc20-smart-chain.md)
- [INTRO](https://docs.bitcoincode.technology/block-chain/btc20-smart-chain/intro.md)
- [INTRO TO BTCC](https://docs.bitcoincode.technology/block-chain/btc20-smart-chain/intro-to-btcc.md)
- [DAPPS](https://docs.bitcoincode.technology/block-chain/btc20-smart-chain/dapps.md)
- [SMART CONTRACTS](https://docs.bitcoincode.technology/block-chain/btc20-smart-chain/smart-contracts.md)
- [ACCOUNTS](https://docs.bitcoincode.technology/block-chain/btc20-smart-chain/accounts.md)
- [TRANSACTIONS](https://docs.bitcoincode.technology/block-chain/btc20-smart-chain/transactions.md)
- [BLOCKS](https://docs.bitcoincode.technology/block-chain/btc20-smart-chain/blocks.md)
- [PROOF-OF-STAKE (POS)](https://docs.bitcoincode.technology/block-chain/btc20-smart-chain/proof-of-stake-pos.md)
- [Gas / Fee](https://docs.bitcoincode.technology/block-chain/btc20-smart-chain/gas-fee.md)
- [NETWORKS](https://docs.bitcoincode.technology/block-chain/btc20-smart-chain/networks.md)
- [TERMINOLOGY](https://docs.bitcoincode.technology/block-chain/btc20-smart-chain/terminology.md)