How secured is polygon edge's chainbridge?

[taylorkchan]

Hi, our team is considering to use polygon edge to build our own sidechain. We see that polygon edge provides chainbridge and the relayer contracts. How secured and are there any security concerns using this instead of other bridging solutions like Celer?

[laviniat1996]

Hi @taylorkchan . Thank you for your question and interest :)

Chainbridge is a relayer type bridge.

You can achieve a higher level of security by operating multiple relayers which need to vote on a certain action taking place.
But, if a malicious party is to get access to the private keys of the majority of the relayers, the bridge is compromised.

Chainbridge is audited, and as such is treated as secure.