Bitcoin, the world’s biggest and best-known cryptocurrency, slipped below $60,000 on Tuesday, taking losses from a record high of $69,000 struck on Nov. 10 to more than 12 percent. Bitcoin was down 5 percent at $60,391.3 at 1253 GMT, after earlier falling as much as $58,563, its lowest since Oct. 28, while Ether, the second-biggest cryptocurrency by market value, was down 6.8 percent at $4,253.08. Cryptocurrency analysts could not identify any particular news driving the falls, which they said seemed to be driven by profit taking after a recent sharp run-up. Bitcoin has more than doubled in value since June, driven by the mainstream adoption of cryptocurrencies and the launch in the United States of futures-based bitcoin exchange traded funds. And on Sunday it went through a major upgrade, called Taproot, that enables its blockchain to execute more complex transactions, potentially widening the virtual currency’s use cases and making it …