The yen's volatile episode may spread to other fiat currencies as U.S. rate cuts remain elusive amid sticky inflation, which could drive investors to gold and bitcoin, Noelle Acheson said in an interview.

Lawyer-turned-politician John Deaton further reinforced his credentials as an outspoken crypto ally on Friday, filing a friend-of-the-court brief in Coinbase Inc.'s (COIN) effort to get a higher U.S. court to rule on a central question about when a digital token qualifies as a security.

Custodia, a Wyoming-based aspiring crypto bank, filed a notice of appeal against a court ruling that affirmed the Federal Reserve's rejection of its bid for a master account and membership.

Leading crypto critic U.S. Sen. Elizabeth Warren (D-Mass.) has asked U.S. Attorney General Merrick Garland what tools the federal government needs to crack down on the use of digital assets to perpetrate child sexual exploitation, according to a letter she sent to the top U.S. law-enforcement official.

Community protocol networks that coordinate hardware-based services with tokens promise an upgrade in efficiency and fairness, says Ivo Entchev, a partner at Youbi Capital.