ICE and tZERO signed agreements covering platform design, financing, patent licensing and potential collateral applications.tZERO will help develop transfer-agent and broker-dealer infrastructure supporting on-chain settlement for tokenized securities markets.ICE will invest in tZERO’s financing round, although both companies withheld the investment’s value publicly.NYSE’s planned platform still requires regulatory approvals before offering round-the-clock trading and immediate blockchain settlement.tZERO says its licensed portfolio contains 103 patents across 23 families covering tokenized-market infrastructure globally.