What is cross-chain transfer timing like on Avalanche?

• A. Transfers between chains/subnets are designed to be slow.
• B. Transfers between chains/subnets require manual confirmation.
• C. Transfers between chains/subnets are instantaneous without finality.
• D. Transfers between chains/subnets are designed to be fast, leveraging quick finality from the Snow consensus.

Answer: (D)

Cross-chain transfers on Avalanche are fast because they rely on quick finality from the Snow consensus. The Snow family of protocols achieves finality rapidly by having many validators continuously voting and converging on a single history without needing long waiting periods. For cross-chain transfers, this means assets can be moved between chains or subnets with a brief finalization step rather than waiting for multiple blocks or manual checks. Once the source side of a transfer reaches finality, the corresponding action on the destination side is considered final as well, enabling a smooth, speedy user experience. It’s not instantaneous without finality, and it isn’t slow or reliant on manual confirmation—the design prioritizes fast, provable finality.