> That'd be 7 bytes of nonce in the block header, which is > 72,057,594,037,927,936 ~ 72 petahashes = 72,000 terahashes > > So: the changes for version 2 blocks would be "has height in the > coinbase, and has a 1-byte version number with a 3-byte extranonce."
I don't understand why more nonce bits are necessary. Is it really impossible for a multi-core CPU to keep up with the merkle root re-calculation and keep an ASIC miner fed, or is this working around a performance bottleneck somewhere else? ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ Bitcoin-development mailing list Bitcoin-development@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bitcoin-development
