Back in 2021, altcoins went up 10x for fun.
14 Nov 2025 · 1 min

0:37
Short excerpt from a YouTube video by Kosta Ouzas explaining Bitcoin self-custody. The speaker describes seed phrases (12 or 24 words) as a self-custody mechanism—contrasted with centralized exchanges—and uses a historical analogy (castles protecting gold) to frame wealth protection.










