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Aptos Foundation and Labs committed $50 million to support trading, AI agents, research, and protocol infrastructure.Decibel and Shelby sit at the center of Aptos’ plan for markets, data, and agents.Crypto firms are racing into AI payments as stablecoin tools gain adoption across agents.

Polygon has rolled out private stablecoin transfers using zero-knowledge proofs while keeping KYT compliance checks in place.Transactions routed through Hinkal allow users to hide payment details from public view while still generating audit records for regulators.

Payward, the parent company of Kraken, has completed its acquisition of Bitnomial.With the deal closed, Payward now holds a full suite of U.S. derivatives licenses issued by the Commodity Futures Trading Commission.

Coinbase said Algorand and Aptos have advanced post-quantum plans as other proof-of-stake chains need more upgrades.The report said quantum computers are not an immediate threat, but blockchain preparation should start now.Coinbase warned validator signature systems on some proof-of-stake networks may face higher future quantum risk.

Coinbase’s quantum advisory board says quantum computing isn’t yet a threat, but has urged for upgrade work to begin, with some blockchains being less prepared than others.

The contracts mark Injective’s first entry into US-regulated derivatives markets and could help support a spot ETF following a filing from Canary Capital.

Cardano privacy token featured in Binance listing at March's close.