I'm not buying any btc at this price, but there are some cryptos that are still undervalued.
All the cryptos combined are only worth $100B and many coins are lost. Amazon crossed $1000/share and is in the running for the 1st trillion$ company along with Apple, Google, FB... Citigroup worth 167B, Bank of America worth 221B, both were bankrupt, penny stocks before the bailout and printing of Trillion$ worldwide.
I'm going to say cryptos are not overvalued in this environment where fiat currencies have nowhere to go, and all assets are inflated worldwide (Vancouver real estate, anyone?). Cryptos going 10x from here may make them correctly valued, imho. At least they're immune from the printing presses syndrome of central banks.