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What are mechanisms that allow tokens and other digital assets from one blockchain to be securely used in a separate blockchain called?

45. What are mechanisms that allow tokens and other digital assets from one blockchain to be securely used in a separate blockchain called?

1. Parachains
2. Blockbabies
3. Sidechains
4. Altchains

Answer: A) Parachains

Explanation:

A sidechain is a blockchain that runs in parallel to the Ethereum mainnet and is self-contained. It has its algorithm for reaching a consensus.