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Merkle tree structure for 9 transactions - Bitcoin Stack Exchange a b c d e f g h i i At each level of the tree, if it's odd, then you just copy the last element onto the back of the tree, and then you hash the pairs to produce a new list at about half the size
Why should a miner choose the longest blockchain if another chain has a . . . But what about the days when b gets close to 0? Then, right after a completed block, b and t are 0 Thus, a clever miner should ignore the latest block, since even with a small p he will end up with a higher expected reward But once miners become aware of transaction fees and will not build on the longest chain this could cause serious trouble?
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What happens when hash160 is same - Bitcoin Stack Exchange 2 There are two bitcoin address: (A) 1111111111111111111114oLvT2 (B) 31h1vYVSYuKP6AhS86fbRdMw9XHieotbST which has the same hash160: 0000000000000000000000000000000000000000 How is this possible and what are the consequences?
矩阵的逆怎么算？逆矩阵公式来了 (附逆矩阵计算器) 其中 I 是单位矩阵。求逆矩阵通常可以通过以下几种方法： 1 高斯-约当消元法 这是最常用的方法，通过行变换将矩阵 A 转换为单位矩阵，同时对单位矩阵进行相同的行变换，最终单位矩阵变为 A^-1。 2 伴随矩阵法 对于一个 n×n 的矩阵 A，其逆矩阵可以通过以下公式计算：