* BTC backs off Wed's high, slips 2% to 64.7k; Thurs range 66.7-63.7k

* Bulls take profit by all-time-high at 67.02k, ahead of Fib proj at 67.75k

* Rise on BTC ETF issuance fading; ETF may be another vehicle to lay off risk

* Support at 63.5k Wed low, 61.2k's 10-DMA, Oct 17-18 dbl bottom by 59k

* Res Wed high at 67k, 67.75k-23.6% Fib projection from Oct 18 low at 59k

* More firm resistance at 70k, then 38.2% Fib proj at 73k

* ETHBTC +3.17% to 0.065; ETH eyes its own all-time-high, May 12's 4,380

(Paul Spirgel is a Reuters market analyst. The views expressed are his own) ((paul.spirgel@thomsonreuters.com))