Several companies offer access to bitcoin mining without the hassle of running equipment, but high costs and the 2028 reward halving make profits uncertain. 

The pilot let Uber keep funds invested in money market products while accessing cash for payments, even on weekends. 

Easier access and growing familiarity are encouraging investors to stake their tokens, while falling rewards and withdrawal delays test the economics. 

Next Technology Holding cited exchange security and quantum computing risks in authorizing sales or loans against its 5,833 BTC. It says none of the coins are held at Binance. 

The Bitcoin white paper achieved a lot of what Satoshi Nakamoto set out to accomplish, but the cultural impact it had may outweigh Bitcoin itself, writes CoinDesk's Nikhilesh De.