Doors Open at Prometheum as Much-Disputed Firm Tests Crypto Tokens as SecuritiesPrometheum Inc. has launched custody services for institutional clients, becoming a registered crypto broker and aiming to mirror PayPal's role in digital assets.
Kraken's Derivatives Arm Joins Copper's Crypto Settlement NetworkKraken MTF offers coin-collateralized futures contracts across popular cryptocurrencies like bitcoin, ETH, XRP, litecoin, and bitcoin cash.