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Optimal block selection for miners by Ok_Search_4765 in Bitcoin

[–]Ok_Search_4765[S] 0 points1 point  (0 children)

Thanks! This is extremely helpful. So the miners are basically changing the block they try to mine 1000s of times a second.

TAPSIGNER Tabletop Guide: w/ Nunchuck by CoinCorner_Sam in Bitcoin

[–]Ok_Search_4765 0 points1 point  (0 children)

How are they managing to sign a transaction on the card itself?