The Buzz About Adam Back's 0.02 USD Bitcoin Order

Here's a fun tidbit: Bitcoin isn't likely to hit zero since Adam Back placed a buy order for 21 million BTC at just $0.02.

Unfortunately,  the minimum amount I can put buying order (in Coinex) is 1 USD per BTC. To buy 21 000 000 BTC is nice thing in BTCs todays value, but how I could get 21 000 000 USD for that ?

Why don't you add the link of this fun fact? It is from Bitcoin Magazine. https://www.facebook.com/BitcoinMagazine/posts/fun-fact-bitcoin-can-never-go-to-zero-because-adam-back-has-a-buy-order-for-2100/1412704580261952/ No source link is plagiarism and the consequence for your account is permanent ban. I don't dig deeply to find origin of this fun fact, deeper than a short post from Bitcoin Magazine and I don't know where Adam Back set his buy order at very low price like this. On biggest centralized exchanges, they don't allow you to set up too low or too high orders.