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Ethereum : How is a snapshot taken when downloading the blockchain using Geth’s –fast and Parity’s –warp-fast mode?

Ethereum update: How is a snapshot taken when downloading the blockchain using Geth’s –fast and Parity’s –warp-fast mode?


I am curious on how a snapshot of the state of the blockchain is taken using these syncing modes.

More specifically:
How can we trust that we did not receive a false blockchain state when taking a snapshot?
Do we cross verify our snapshot across many peers?

Thank you for your time.




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Ethereum is a decentralized platform that runs smart contracts: applications that run exactly as programmed without any possibility of downtime, censorship, fraud or third-party interference.

Author: julianrmartinez

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