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Escrow vs multisig vs smart contract

People reach for three different tools when they want a crypto deal to be safe. They are not interchangeable. A multisig shares control of a wallet. A bare smart contract holds funds under fixed rules. A full escrow adds the parts a real disagreement needs. Here is what each actually enforces, and what it leaves to trust.

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The three tools, side by side

Multisig walletA wallet that needs M of N signatures to move funds, typically 2-of-3 with a trusted third key. Enforces only who can sign. No terms, no timeline, no evidence, no timeout. Whatever two keys agree, happens.
Bare smart-contract escrowA contract that holds funds and releases on a condition, often "buyer calls release". Enforces the rule it was written with and nothing more. If the buyer never calls release, or the two sides disagree, the funds have nowhere to go.
Full escrow (Vaultion)A contract that holds funds plus the machinery a disagreement needs: a buyer review period, timeouts so silence cannot freeze funds forever, an on-chain evidence record, and a dispute path that ends in a ruling. See how it works.

What each one enforces

Who holds the fundsMultisig: the wallet, controlled by the key holders. Bare contract: the contract. Vaultion: the contract, with no Vaultion key able to move them anywhere but to the buyer or seller.
The deal termsMultisig: not recorded anywhere on-chain. Bare contract: whatever was hard-coded. Vaultion: the description agreed at creation is what any ruling is measured against.
A silent counterpartyMultisig: funds stuck until two keys agree. Bare contract: stuck. Vaultion: the buyer review period can release to the seller; dispute timeouts settle a case nobody rules on; a Kleros fee window lets the paying party claim by default.
A genuine disagreementMultisig: the third key decides, privately, by any standard. Bare contract: no path. Vaultion: evidence is recorded, a ruling is made — Kleros jurors or a Vaultion reviewer on Ethereum, a Vaultion reviewer elsewhere — a challenge window runs, then the contract executes it.
CollusionMultisig 2-of-3: any two parties can take everything, including the third key with either side. Vaultion: funds can only ever go to the buyer or the seller, in any ruling, on any path.

Where the trust sits in each

No arrangement is trust-free. The useful question is what, exactly, you are trusting.

MultisigThe third key holder’s honesty and availability, and that the other party will not collude with them.
Bare contractThat the code is correct and that the condition it checks is enough. Usually it is not, because the condition is "the buyer says so".
Vaultion, Kleros pathThe contract code, which is public and verified, and the Kleros protocol. No reliance on Vaultion for the outcome.
Vaultion, assisted pathThe contract code, and Vaultion’s reviewer to rule fairly. Not decentralized, and Vaultion says so on every page it appears. A freeze-only guardian can pause a ruling but never redirect funds.

Multisigs are for partners, escrow is for deals

A multisig is the right tool for people who already trust each other to manage shared funds. It is the wrong tool for a one-off deal between strangers, because the moment they disagree it has nothing to say.

Frequently asked

Is a 2-of-3 multisig an escrow?

It can act like one: buyer, seller and a trusted third key, with any two able to move funds. But nothing in the wallet encodes the deal. The third key holder can side with either party for any reason, two colluding parties can take everything, and there is no review period, no evidence record and no timeout. It is a shared safe, not an agreement.

Is Vaultion just a smart contract escrow?

It is a smart contract escrow with the missing pieces added: a buyer review period, timeouts so a silent party cannot freeze funds forever, an on-chain evidence record, and a dispute path. A bare escrow contract usually has none of those, so a disagreement has nowhere to go.

Which is more trustless?

On Ethereum, an escrow that names Kleros: the contract holds the funds and independent jurors rule, with no Vaultion key involved. A multisig depends entirely on who holds the third key. A Vaultion-assisted escrow sits in between: the contract still holds the funds, but you trust Vaultion’s reviewer to rule fairly.

When would I still use a multisig?

For ongoing shared control of a treasury between parties who already trust each other, such as a company or a DAO managing its own funds. It is the right tool for custody among partners, and the wrong one for a single deal between strangers.

Keep reading

How it works The full Vaultion flow.Non-custodial & no-KYC Why Vaultion never holds your funds.What happens in a dispute The part a multisig does not have.

Use the tool built for a deal

Funds in a contract, a review period, timeouts and a dispute path, set up in a few steps.

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