Olaoluwa "Roasbeef" Osuntokun, CTO at Lightning Labs, has unveiled a prototype tool designed to protect Bitcoin wallets from potential quantum computer threats. Announced on April 8, the tool addresses a critical flaw in Bitcoin's defense strategy against quantum attacks, which could otherwise lock users out of their funds. The prototype allows users to prove wallet ownership using the secret "seed" without revealing it, offering an alternative to the current digital signature system vulnerable to quantum attacks. The tool, which runs on a consumer MacBook, generates proof in about 55 seconds and verifies it in under two seconds. While there is no formal proposal to integrate this tool into the Bitcoin blockchain yet, it provides a potential solution to safeguard wallets without freezing users out. The urgency of the quantum threat remains debated, but the prototype offers a practical approach to a long-discussed issue in the crypto community.