The SpaceX boss has reached a level of wealth that is hard to understand in real terms. But we’re going to try.

Elon Musk becomes the world's first trillionaire as SpaceX's IPO targets a $1.5T-$1.8T valuation, with filings revealing 18,712 BTC in corporate holdings.

At a time when concerns about inequality are high and public attitudes toward the ultra-wealthy have soured, Musk has managed to retain a loyal following despite his…