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Coinbase Business will accept USDC payments initiated by AI agents through its native x402 support.Coinbase for Agents adds live market views and conditional actions controlled by user-defined trading guardrails.Developers can add agent payment acceptance to online services using Coinbase’s streamlined CDP x402 SDK.

On the heels of Coinbase Business’ one-year anniversary, the unit is rolling out the capability for all its clients to start accepting agentic payments.Team lead Sid Coelho-Prabhu told The Block that agentic payments are one of Coinbase’s “most high-conviction bets.”

Proof of reserves has gone from a rarely used practice to an industry-wide expectation, as crypto exchanges compete to show users that customer assets are fully backed.Leading exchanges now run proof of reserves cryptographically, using Merkle trees, and in some cases zero-knowledge proofs, which let users confirm their own balance is included in the reported total liabilities without revealing anyone else’s.Verifiable reserves are necessary but not sufficient for institutional trust, which also demands asset segregation, regulatory oversight, and insolvency protections, the fuller trust stack that PoR anchors but does not complete.This research primer is commissioned by BinanceVerifiable Trust: PoR replaces blind trust with verifiable proof that customer assets are backed at least one-to-one.A Liquidity Signal: Because stablecoins are the settlement rails of crypto markets, verifiable backing of stablecoin balances also signals that it commands the dollar liquidity to honor redemptions and withdrawals under stress.Proof of Assets establishes that the exchange controls the onchain wallets it claims, usually through cryptographic signatures to prove ownership.Proof of Liabilities aggregates what the exchange owes its users.Technical Leadership: Binance open-sourced its zk-SNARK-based PoR verification system, letting other exchanges adopt the same method and setting a public benchmark for verifiable reserves.Reserve Backstop: The Secure Asset Fund for Users (SAFU) is an emergency insurance reserve Binance created in 2018. Bootstrapped from a portion of trading fees collected and held in publicly known onchain wallets, it holds around $1 billion, a buffer ready to cover any shortfall in customer balances.Deep Stablecoin Liquidity: Binance's PoR covers major stablecoins, including USDT and USDC, and its disclosures have shown both with reserve ratios well above 100%. It also holds the largest stablecoin reserves of any exchange by a wide margin. These are the assets users most often withdraw and settle in, so their coverage is the clearest indicator of whether the exchange can meet large-scale redemptions without disruption.Asset Segregation: Institutions expect customer assets to be kept distinct from the exchange's own funds, so client holdings can't be commingled with corporate assets. This segregation is the specific safeguard whose absence turned FTX's losses into customer losses.Regulatory Oversight: Institutions want exchanges operating under a recognized regulatory framework. Operating under that kind of oversight eases the compliance and counterparty risk that keeps regulated allocators on the sidelines.Insolvency Protections: Institutions want to know what protects their claims if the exchange becomes insolvent tomorrow. That means clear mechanisms such as insurance or emergency reserves, defined creditor treatment, and statutory protections that ring-fence customer assets in bankruptcy.

Solomon's endorsement splits with JP Morgan's Jamie Dimon and banking trade groups, who warn the bill's stablecoin-yield provisions could pull deposits away from traditional lenders.

Circle announced partnerships with Kakao Group and Toss Bank on Thursday.The companies plan to explore stablecoin-based payment rails in South Korea.

A new exploit targeting the Verus-Ethereum Bridge drained roughly $7.54 million in crypto assets, according to Blockaid.The blockchain security firm said the attack used the same bridge contract, entry path and vulnerability class as the May exploit, but involved a different attacker using a new wallet.