Home/Glossary/TrezorTrezorLike Ledger, Trezor is used via MetaMask on Polymarket. Prediction Markets 101 editorial team Updated April 16, 2026 1 min readDefinition Trezor is a hardware wallet similar to Ledger — open-source, USB-connected, keys stored offline. Plain-English explanation Trezor is fully open-source (unlike Ledger), which appeals to security-conscious users. Functional differences for Polymarket use are minimal. Related terms ledger wallet self custody