> For the complete documentation index, see [llms.txt](https://docs.biop.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.biop.io/biop_v1_whitepaper/reference.md).

# 7. Reference

1\. Satoshi Nakamoto, Bitcoin: A Peer-to-Peer Electronic Cash System, <https://bitcoin.org/bitcoin.pdf>

2\. Vitalik Buterin, Ethereum: A Next-Generation Smart Contract and Decentralized Application Platform, <https://ethereum.org/669c9e2e2027310b6b3cdce6e1c52962/Ethereum_Whitepaper_-_Buterin_2014.pdf>

3\. Ethereum Community, OPTIMISTIC ROLLUPS, <https://ethereum.org/en/developers/docs/scaling/optimistic-rollups/>

4\. Ethereum Community, PROOF-OF-STAKE (POS), <https://ethereum.org/en/developers/docs/consensus-mechanisms/pos/>

5\. Optimism Community, Optimism Bedrock specs, <https://github.com/ethereum-optimism/optimism/tree/develop/specs>

6\. Offchain Labs, Arbitrum Nitro: A Second-Generation Optimistic Rollup, <https://github.com/OffchainLabs/nitro/blob/master/docs/Nitro-whitepaper.pdf>

7\. Casey Rodarmor, BIP: Ordinal Numbers, <https://github.com/ordinals/ord/blob/master/bip.mediawiki>

8\. ordinals.com, Ordinal Theory Handbook, <https://docs.ordinals.com/>

9\. domo, brc-20, <https://domo-2.gitbook.io/brc-20-experiment/>

10\. OKX Web3, BRC20-S, <https://www.okx.com/web3/build/docs/bitcoin-ecosystem/brc20-s>

11\. Binance Academy, ORC-20 Tokens, <https://academy.binance.com/en/glossary/orc-20-tokens>