Author Topic: What restrictions are placed on the header by ASICs? (Read 490 times)

kaleemmalik · « **on:** August 27, 2018, 08:22:32 AM »

What restrictions does mining hardware place on the Bitcoin block header?

Can you give mining hardware any 80 byte header and it will search it (updating the 4 nonce bytes and maybe the timestamp)?

Does the version field have to be positive?

Does the difficulty target have to be a reasonable value?

Does the previous hash have to have at least 32 zeros?

Does the merkle root have to encode at least a coinbase for the extraNonce?

Altcoins Talks - Cryptocurrency Forum · « **on:** August 27, 2018, 08:22:32 AM »

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Author Topic: What restrictions are placed on the header by ASICs? (Read 490 times)

kaleemmalik

What restrictions are placed on the header by ASICs?

Altcoins Talks - Cryptocurrency Forum

What restrictions are placed on the header by ASICs?