精选75Cointelegraph（RSS）研究与分析
比特币契约系列4：OP_CHECKSIGFROMSTACK与OP_CAT详解
Bitcoin Covenants Part 4: OP_CHECKSIGFROMSTACK and OP_CAT
OP_CSFS authenticates signatures over arbitrary data. OP_CAT concatenates stack values into a single message. Together, they let Bitcoin scripts verify transaction structure at spend time, without pre-signed key management or new consensus rules beyond the two opcodes themselves.
更进一步：量化金融体系
看懂新闻只是起点——沿量化金融路径，把它变成能交付的工程能力