LONDON, March 11 (Reuters) - Stablecoin USD Coin (USDC) lost its dollar peg and slumped to an all-time low on Saturday before recovering most of its losses after Circle, the firm behind it, assured investors it would honor the peg despite exposure to failed Silicon Valley Bank. "The short-term implications here are dramatic and unknowable, especially once systems start to have to be adjusted to the reality that 1 USDC isn't trading at 1 USD for the time being. See here for a complete list of exchanges and delays