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Coinbase accelerates the promotion of Bitcoin anti-quantum measures: multiple parties discuss future asset migration plans

Coinbase announced that it has collaborated with Stanford University cryptography professor Dan Boneh and Localhost Research to hold a closed-door "Post-Quantum Bitcoin Workshop" at Stanford University, gathering Bitcoin developers, cryptography experts, researchers, institutional custodians, and hardware wallet specialists to discuss the technologies and migration plans for Bitcoin to address future quantum computing threats.The workshop focused on assessing the progress of quantum computing, post-quantum cryptography, and various post-quantum signature schemes applicable to Bitcoin, as well as discussing Ethereum's anti-quantum planning, the practical requirements faced by institutional custody businesses, and how to introduce post-quantum security mechanisms for Bitcoin through new output types. Participants believed that rather than predicting when quantum computing will pose a real threat to existing cryptographic systems, it is more important to establish well-tested response plans in advance.Quantum computing does not currently pose an urgent crisis, but the earlier research and coordination begin, the better we can avoid hasty network upgrades and asset migrations under pressure in the future. However, there is currently no consensus on a single post-quantum solution. Different solutions involve trade-offs in terms of security, transaction data size, hardware performance, key management, and the difficulty of user migration. Participants felt that Bitcoin's anti-quantum measures cannot rely solely on protocol layer upgrades, but must also consider how individual users, institutional custodians, wallets, and hardware devices generate, store, back up, and migrate keys and assets.

first_img Better and Coinbase launched Bitcoin collateral loans, and the staked Bitcoin can be re-collateralized

According to CoinDesk, the Bitcoin mortgage product jointly launched by Better Mortgage and Coinbase has been fully launched last week. Borrowers can pledge Bitcoin at a 250% collateral rate to pay for the down payment on a home. For example, to purchase a $500,000 property, one would need to pledge $250,000 in Bitcoin to support a $100,000 down payment. Since the full launch, the pre-application loan scale has reached $360 million, higher than the previous estimated $260 million from the waiting list users.At closing, borrowers will receive two loans: one is a conventional mortgage secured by the property that meets Fannie Mae standards, and the other is a down payment loan secured by pledged Bitcoin and a subordinate lien on the property. Better disclosed that it may re-pledge the Bitcoin pledged by borrowers, as long as an equivalent amount of assets is retained for return. Borrowers cannot retrieve their crypto assets early and must wait until the conventional mortgage is fully repaid or refinanced to recover them, meaning Bitcoin may be locked for up to 15 to 30 years.Unlike typical crypto loans, a drop in Bitcoin prices will not trigger a margin call or automatic liquidation; liquidation of pledged assets may only occur 60 days after the borrower defaults. Coinbase only acts as a custodian and technology provider and does not participate in credit decisions. Currently, the product only supports Bitcoin collateral; both parties mentioned USDC when announced in March but ultimately chose to launch with BTC first.
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