OP_NET: The Bitcoin-Aligned Smart Contract Metaprotocol (Litepaper) Introduction Bitcoin is renowned for its security, decentralization, and provenance. However, its scripting language, Bitcoin Script, does not directly allow for advanced smart contracts and applications. This gap has driven numerous efforts to extend Bitcoin’s capabilities, from Colored Coins and Counterparty early on, to Ordinals and BRC-20 [meta] meta-protocols most recently. However, each of these has faced limitations in...