What Is CheckTemplateVerify (CTV) Proposal for Bitcoin? BIP-119 Explained - Bitcoin has improved significantly since the release of its whitepaper in 2009. These improvements have been aimed at bolstering network features such as scalability, security, and efficiency. Among these improvements is a proposed soft fork called CheckTemplateVerify (CTV), which is specified under the Bitcoin Improvement Proposal 119 (BIP 119) by ...