What Is the Concept of a ‘Sidechain’ and How Does It Rely on Cryptographic Security?

A sidechain is a separate blockchain that is pegged to a main chain (like Bitcoin) using a two-way peg mechanism, allowing assets to be moved between the two chains. It relies heavily on cryptographic security to ensure that the pegged assets are not double-spent and that the pegging mechanism is secure.

Cryptographic proof and hashing are used to verify the locking and unlocking of assets on both chains, ensuring the integrity of the asset transfer.