Is block.blockhash(block.number-1) okay?

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Cover Photo by dylan nolte on Unsplash

They use the hash of the previous block.
They use the previous blockhash plus a “private” salt.
They use the previous blockhash with other things the miners can manipulate.
They use the previous blockhash plus a “private” salt.
They use a nonce with the timestamp. A miner could pick the timestamp that lets them win.
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Austin Thomas Griffith

Written by

http://austingriffith.com

Coinmonks

Coinmonks

Coinmonks is a non-profit Crypto educational publication. Follow us on Twitter @coinmonks Our other project — https://coincodecap.com

Austin Thomas Griffith

Written by

http://austingriffith.com

Coinmonks

Coinmonks

Coinmonks is a non-profit Crypto educational publication. Follow us on Twitter @coinmonks Our other project — https://coincodecap.com

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