Manage Cardano Treasuries with Multisig Security

Mesh Multisig is a free, open-source, Cardano-native multi-signature wallet. Secure your team or DAO treasury with M-of-N approvals and vote on Cardano governance together.

Mesh Multisig is a free, open-source, Cardano-native wallet built by Mesh. Secure treasuries, participate in governance, and collaborate with M-of-N multi-signature approvals — every transaction requires a quorum of signers, so no single key can move funds alone.

What you can do

Create an M-of-N multi-signature wallet and invite co-signers.
Review and co-sign transactions with a required approval threshold.
Vote on Cardano governance proposals and register as a DRep.
Delegate stake and earn rewards from the treasury.
Automate signing with the REST API and bot integrations.
Import an existing multisig wallet and keep collaborating.

Explore

Features — Multi-signature security, signer invites and verification, full transaction history, governance voting, DRep registration, staking and a REST API — everything Mesh Multisig offers Cardano teams.
Roadmap — The twelve-month Mesh Multisig roadmap: what has shipped, what is in progress and what is planned for the Cardano multi-signature wallet, from May 2026 to April 2027.
Feature Graph — An interactive knowledge graph of every Mesh Multisig feature and the state it is in — delivered, planned or blocked — linked to its area and the features it touches.
Cardano Governance — Browse Cardano governance proposals and vote as a team with multi-signature security. Register your organization as a DRep and take part in on-chain decisions.
DRep Explorer — Explore Cardano Delegated Representatives (DReps): voting records, delegated stake and metadata. Find a DRep to delegate your Cardano voting power to.
API & Bot Documentation — Interactive OpenAPI / Swagger documentation for the Mesh Multisig REST API. Authenticate bots, query wallets and pending transactions, and build Cardano integrations.
DApps — Use Mesh Multisig with your favourite Cardano DApps in multi-signature mode.
Import a Multisig Wallet — Import an existing Cardano multi-signature wallet into Mesh Multisig and continue collaborating with your signers.

Bot API (for AI agents)

llms.txt — AI-oriented overview of the site and bot API, with a quickstart.
OpenAPI 3.0 spec (JSON) — Machine-readable definition of every bot endpoint.
Agent skill (Markdown) — Downloadable skill describing the full bot workflow.
Interactive API docs — Human Swagger UI with a wallet-based token generator.