[sCrypt co-founder and CTO Wang Yiqiang: Starting the OP_CAT opcode may have an impact on the Bitcoin system] On November 13, the Bitcoin Next Summit hosted by Bitlayer officially opened in Bangkok. The core topics of this summit are the next upgrade of Bitcoin and BTCFi. sCrypt co-founder and CTO Wang Yiqiang shared in a roundtable on key challenges and solutions for Bitcoin that the Bitcoin community is currently discussing whether to start certain Bitcoin opcodes, such as OP_CAT, to achieve more functions, and security is taken into consideration. They may have an impact on the Bitcoin system, such as Defi innovation and Bitcoin interoperability. At this Bitcoin Next Summit, many first-line Bitcoin ecosystem builders and industry leaders gathered to share their deep insights on the forefront of Bitcoin technology and the next upgrade, and jointly discuss the current BTCFi pattern and trends. It has become the highest-profile, most influential, and most profound Bitcoin ecosystem summit in Southeast Asia in recent years.