* BTC slips into Europe close -3.6% at 30.7k, Mon range 31.9k-30.43k
* Bitcoin eyes trend low Mar 26's 30.14k, then Mar 22's 28.8k
* Cryptos join in risk-off selloff, BTC +6% YTD used to cover other losses
* Slip from 65k helped by China regs, US ransomware claw-back, Tesla drop
* Below 28.8k supt at 25.83k Jan 3's wkly low, Bulls need a rise abv 55-DMA
(Paul Spirgel is a Reuters market analyst. The views expressed are his own) ((paul.spirgel@thomsonreuters.com))
