This book constitutes the refereed proceedings of the Second EAI International Conference on Blockchain Technology and Emerging Technologies, BlockTEA 2022, held in Virtual Event, during November 21-22, 2022.&nbsp;<div><br></div><div>The 10 full papers included in this book were carefully reviewed and selected from 28 submissions. They were organized in topical sections as follows: answer set programming; functional programming; Smart contract,&nbsp;Privacy protection,&nbsp;NFT and Machine learning</div>