Bitcoin Investment Firm Twenty One Capital to List on NYSE as XXI, Transfers 43,500 BTC to Self-Custody and Updates Proof of Reserves

COINOTAG News reports that Twenty One Capital, a Bitcoin investment firm led by Jack Mallers and backed by Cantor Fitzgerald, is poised for a NYSE listing under the ticker XXI. The move underscores growing institutional participation in the crypto market.

As part of the listing settlement, the team will transfer roughly 43,500 bitcoins from its custody account back to its self-custody arrangement and will publish an updated proof of reserves upon completion.

The development signals intensified focus on custodian controls and transparent reserve reporting, reinforcing confidence among investors and traders who seek credible signals in a volatile crypto environment.