
Four products. One idea.
Loans, liquidity, Vault and the API. Each one uses a different number of keys. In all of them, nobody can move the bitcoin alone.
What multisig actually is
An address with more than one key on it. To move a single satoshi, several of those keys have to sign the same transaction. The rules are written in the script and the network enforces them. No company in the middle.
2+Several keysSeparate keys, separate signatures. One key signing twice is still one key.
3‑of‑4Your quorumLoans on Debifi use 3‑of‑4, Vault uses 2‑of‑3. Through the API, you choose your own.
On chainVerifiableThe address and its spending rules are public. Do not trust it, check it.