背景 在文章《 b站在实时音视频技术领域的探索与实践 》中，提到了直播行业从传统娱乐直播发展到教育、电商等新形式，用户对实时互动直播的需求增加。b站基于webrtc的开发了一套视频连麦系统：这套系统优先选择udp协议以保证低延迟，必要时降…

一、地方牌照 鲁a 济南，鲁b 青岛，鲁c 淄博，鲁d 枣庄，鲁e 东营，鲁f 烟台，鲁g 潍坊，鲁h 济宁，鲁j 泰安，鲁k 威海，鲁l 日照，鲁m 滨州，鲁n 德州，鲁p 聊城，鲁q 临沂，鲁r 菏泽 鲁s 莱芜，鲁u 青岛增补 鲁y烟台增补 二、省直 鲁0，在山东0字头为省直以及公安专段，公安牌照为鲁0加 …

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2024年5月6日 · For A to send 10 BTC to B, A has to find one or more coins whose values sums to more than 10 BTC. Lets say they have a coin worth 13 BTC. They include in their draft transaction one input coin of 13 BTC and two output coins of 10 BTC to B and 2.99 BTC change to themselves. The remainder 0.01 BTC is collected by the miner as the transaction fee.

2015年10月8日 · If Y_a == -Y_b (the only other possibility) then A+B = the point at infinity, or the identity. Usually, that's not a very interesting point for cryptography. Computing 2*A is a little trickier, but can be done.

2021年2月25日 · In ECDSA, the private key is a scalar 256-bit number. The public key is a elliptic curve point on the secp256k1 curve.

1m代表一百万，1b代表十亿，m是单词million的缩写，1m＝100万；b是单词billion的缩写，1b＝10亿。还有更大的数量单位，百亿就是ten billion，千亿是one hundred billion，万亿很少用到，单词是trillion。 温馨提示：以上解释仅供参考。

2017年12月9日 · 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?

湘a是湖南长沙市；湘b是湖南株洲市；湘c是湖南湘潭市；湘d是湖南衡阳市；湘e是湖南邵阳市；湘f是湖南岳阳市；湘g是湖南张家界市。 目前使用的九二式机动车号牌由中文与英文字母的发牌机关代码与五位号码组成。

2019年4月28日 · A can do this by asking a payment to be sent to him through LN that will effectively re-balance the channel to (say) 1 BTC for A and 1 BTC for B. This funding payment needs to originate from another Lightning node, for instance a Lightning-enabled exchange where A pays fiat (or other crypto) and gets 1 BTC sent to his Lightning node.