Benzinga and Yahoo Finance LLC may earn commission or revenue on some items through the links below. Jameson Lopp, co-founder and chief security officer at self-custody platform firm Casa, raised concern about Bitcoin (CRYPTO: BTC) users repeatedly using old public addresses, a practice he viewed as a serious vulnerability in the wake of the growing quantum threat. Users Ignoring Satoshi’s Guidelines? Speaking to Benzinga on the sidelines of the Trezor TBD event on Oct. 21 in Prague, Czech Republic, Lopp ...