Andreas M. Antonopoulos is a Bitcoin developer, author, and commentator who appeared on The Bitcoin Group (TBG) from its earliest episodes, spanning at least episode 2 through episode 242 for a total of eight appearances. He was introduced in TBG #2 as a representative of Let's Talk Bitcoin and in TBG #5 as being associated with root11.com. By TBG #14 he was billed simply as a "Bitcoin developer and commentator." Antonopoulos is also the founder of safepaperwallet.com, a service providing pre-perforated, printed paper wallets for cold storage of Bitcoin.
By the numbers: 8 Bitcoin Group appearances on record; Twitter/X handle @aantonop.
Sources: tbg-mirrors/guests.json appearance log; curio-wiki article (canonical intro adapted). See backlinks below for every page on 1n2.org that references this entity.
8 episodes: #2, #5, #14, #43, #51, #81, #100, #242
→ See TBG Timeline for the full lane chart.