Mt. Gox fundamentally changed how serious investors think about accumulation. The biggest lesson wasn't just "don't keep coins on exchanges" — it was that your accumulation strategy is only as good as your custody plan. When I started building systematic approaches to dollar-cost averaging, I realized the real risk wasn't timing the dips, it was ensuring coins actually made it to cold storage. I've spent years analyzing how accumulation patterns interact with custody decisions, and after doing this manually for far too long I ended up building https://timetobuybitcoin.com to handle the DCA side while keeping focus on what matters: actually taking possession of what you buy. Mt. Gox's collapse was the origin story for why self-custody became non-negotiable in any serious accumulation framework.