Jimmy Song is an American Bitcoin developer, educator, author, and venture partner at Blockchain Capital. A prominent Bitcoin Core contributor and vocal Bitcoin maximalist, Song became a frequent presence on Mad Bitcoins and The Bitcoin Group during the heated scaling debates of 2017, contributing technical analysis and ideological commentary to the World Crypto Network ecosystem. He is recognizable in the Bitcoin community for his signature cowboy hat and his uncompromising advocacy for Bitcoin over altcoins and alternative cryptocurrencies.
By the numbers: 15 Bitcoin Group appearances on record; 3 graded up/down predictions on the predictions chart (100.0% accuracy across 3 correct / 0 wrong / 0 abstain); Twitter/X handle @jimmysong.
Sources: tbg-mirrors/guests.json appearance log; curio-wiki article (canonical intro adapted); predictions-v3/data.json leaderboard. See backlinks below for every page on 1n2.org that references this entity.
Low-sample warning: only 3 graded calls (correct+wrong) — below the minimum 5-call threshold for the public leaderboard. Accuracy percentage above is mathematically correct but statistically unreliable; treat as anecdotal.
→ Full prediction log: /predictions-v3/guests/jimmy-song.html
15 episodes: #137, #139, #146, #153, #156, #158, #159, #161, #162, #163, #164, #165, #166, #418, #474
→ See TBG Timeline for the full lane chart.