Electrum addresses start with b - Bitcoin Stack Exchange As far as I know, all bitcoin addresses start with a "1" or "3" prefix I've just started using electrum wallet and all the addresses it generated had a prefix of "b", or even "bc" Is this legit or some scam, and if legit, does it have a special meaning (like segwit addresses starting with "3" prefix) and where can I read more about it?
det (AB)=det (A)det (B)有简单证法吗？ - 知乎 现在定义一个新的函数 f: B \mapsto \det (AB), 我们不难验证 f 满足性质1，2，所以 f 一定可以写作 c\det (B) 的形式（这里 c 是一个常数）。 现在令 f (I)=1, 我们可以得出 c = \det (A)，所以 f (B) = \det (A)\det (B)。 证毕。
What are bitcoin miners really solving? As with mining, what are the bitcoin miners really solving? I read they are solving hashes, but what does that really mean Can we see what they are solving? Can someone give an example of what a b
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