Peer
A decentralized fiat-crypto exchange using ZK proofs to verify off-chain payments
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About Peer
Peer, renamed from ZKP2P in February 2026, is a non-custodial peer-to-peer fiat on and off-ramp: sellers deposit stablecoins into on-chain escrow with a price, buyers pay through mainstream payment apps, and a zero-knowledge proof verifies amount, recipient and timing before release, with a browser extension capturing payment metadata.
It targets slow, costly and custodial exchange ramps that also require users to expose bank and payment accounts. A third-party adversarial report in March 2026 recorded coverage of thirty-two chains, seventy-eight countries and seven assets with about 156,000 dollars in escrow, and noted that attestation runs on a multisig whose key holders could forge proofs to withdraw escrowed funds. The protocol still runs at a scale dominated by early adopters.
On November 17, 2023, ZKP2P launched the protocol on the mainnet, enabling non-custodial on-chain trades and using EIP-712 PaymentAttestation.
On August 5, 2025, ZKP2P added PayPal payment support, expanding buyer payment methods and supporting Buyer TEE Verification for validation.
On February 5, 2026, ZKP2P rebranded to Peer, shifting focus from technology to users and using AWS Nitro Enclave to run the Attestation Service.
On September 9, 2026, Richard Liang was interviewed on the ZK Podcast, discussing the evolution from ZK email to zkTLS and then to TEE as well as the rebrand and emphasizing the security mechanism of AWS Nitro Enclave with EIP-712 signing keys wrapped by KMS.
Peer (formerly ZKP2P) completed its rebrand on February 5, 2026, changing its name from ZKP2P to Peer. It launched AthenaX in July 2026 and shipped ZKP2P V3 on Base.
Future strategy and roadmap: Focused on decentralized payments and fiat rails, Peer will expand off-chain payment-abstraction on Base via its V3 architecture; AthenaX will host more on/off-ramp and payment use cases, lowering the barrier for Web2 users to enter on-chain.
Brian Weickmann — Co-Founder; serial entrepreneur who previously founded an early Bitcoin ATM network.
Richard Liang — Co-Founder; leads protocol engineering, former engineer at Set Labs.
Sachin Kumar — Co-Founder; zero-knowledge and privacy computing specialist involved in forming P2P Labs.
Recently, Ben (@unhappyben), Head of Growth at Peer (formerly ZKP2P), left the company in June 2026. He joined in June 2025 and led the rebranding from ZKP2P to Peer, as well as the third product iteration. His departure may impact the growth strategy, but Peer remains committed to providing privacy-focused P2P fiat on/off-ramp services using zero-knowledge proofs and ZK-TLS.