Coinbase is now the No. 1 iPhone app in the U.S.

The crazy spike in the value of a bitcoin — from around $1,000 at the beginning of this year to more than $18,000 today, according to CoinMarketCap — has made Coinbase, an app that lets you buy, sell and store bitcoin, a winner. As of this afternoon, it is now the most-downloaded iPhone app in Apple’s U.S. app store.

And like the recent surge in bitcoin prices, it’s been a pretty quick rise:

Good timing: Coinbase CEO Brian Armstrong just made our inaugural Recode 100 list.

This article originally appeared on Recode.net.

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