Colibri is a fully stateless, trustless verification client for Ethereum and other blockchain networks.
Instead of blindly trusting RPC providers, Colibri allows wallets, dApps, AI agents, IoT devices, and backend systems to verify blockchain data locally using cryptographic proofs.
The client validates both execution-layer data and consensus-layer correctness without syncing the chain, storing blockchain state, or relying on trusted infrastructure.
Colibri brings proof-based verification into real-world environments:
Current support includes Ethereum, Gnosis, and OP Stack chains.
Our mission is to make blockchain access as trustless as blockchain execution itself.
We believe applications should not blindly trust infrastructure they do not control.
Colibri enables wallets, dApps, agents, and devices to independently verify blockchain data using cryptographic proofs — without running full nodes or trusting RPC providers.
By bringing proof-based verification into real-world applications, we aim to establish verifiable blockchain access as a standard layer of Web3 infrastructure.
Don’t trust. Verify!
Most Web3 applications still rely on centralized RPC providers to access blockchain data.
Wallets, dApps, bots, and infrastructure systems ask RPCs:
…and then trust the answer.
Recent incidents like the KelpDAO exploit showed how dangerous this model has become. Sophisticated RPC spoofing and infrastructure attacks can manipulate what systems see without compromising the blockchain itself.
Even setups using multiple RPC providers still rely on trust assumptions.
Blockchain execution is trustless.
Blockchain access often is not.
Colibri replaces trust-based blockchain access with proof-based verification.
Instead of trusting RPC responses, applications receive cryptographic proofs and verify the data locally.
Colibri validates:
The client operates fully stateless:
This enables “verify before you sign” workflows for wallets, trustless transaction simulation, verifiable AI-agent interactions, and secure blockchain access for constrained environments like browsers and IoT devices.
