Cryptography researcher Justin Drake suggests that large holders transfer their funds to a new address where the transaction has never been signed and the public key is still hidden after hashing, and suggests transferring the remaining funds to the new address after each signature. Justin Drake believes that ECDSA may be cracked by classical algorithms before quantum computing Q-Day, and in the worst case, it could happen within a few months. Binance, Bitbank, Robinhood, Bitfinex, and Tether can reinforce cold wallets.
