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Eric Lombrozo

Author of 6 BIPs.

• BIP 83: Dynamic Hierarchical Deterministic Key Trees: Closed. Proposes a way to create new branches of an HD wallet's key tree on the fly rather than following one fixed layout. Wallets could then organize keys into flexible hierarchies for different purposes…
• BIP 112: CHECKSEQUENCEVERIFY: Deployed. Introduces CHECKSEQUENCEVERIFY, a script instruction that lets coins be locked until a certain amount of time has passed since they were received. This 'relative timelock' is a key building block…
• BIP 123: BIP Classification: Deployed. Sets out a way to classify BIPs into layers, such as consensus, peer services, APIs and applications, according to which part of the system they affect. This helps readers judge how widely a…
• BIP 124: Hierarchical Deterministic Script Templates: Closed. Defines a template format that lets wallets automatically generate scripts with specific spending rules, such as multisignature, from HD wallet keys. Shared templates help different wallets produce…
• BIP 141: Segregated Witness (Consensus layer): Deployed. Defines Segregated Witness (SegWit), which moves signatures into a separate "witness" section of each transaction while remaining compatible with older nodes. This fixed transaction malleability,…
• BIP 144: Segregated Witness (Peer Services): Deployed. Specifies the network messages nodes use to pass SegWit transactions and blocks to one another, including the separate signature data. It lets upgraded nodes share full witness data while older…