Karl-Johan Alm

Author of 4 BIPs.

BIP 154: Rate Limiting via peer specified challenges: Closed. Proposes that nodes under heavy load could ask connecting peers to solve a small computational puzzle (proof of work) before receiving service. This would make it more costly for attackers to flood…
BIP 178: Version Extended WIF: Draft. Extends Wallet Import Format (WIF), the common text format for a single private key, to also record which address type the key belongs to. This helps wallets import a key and correctly find its…
BIP 322: Generic Signed Message Format: Complete. Defines a standard way to sign messages with any type of Bitcoin address, including SegWit and Taproot, not just older legacy addresses. This lets people prove they control an address or its funds…
BIP 325: Signet: Complete. Defines Signet, a type of Bitcoin test network where new blocks must be signed by designated parties in addition to being mined. This gives developers a stable, predictable place to test software,…