By Charlie Conchie Bob Diamond’s acquisition vehicle has scrapped a deal to take cryptocurrency firm Circle public today, as the sector is rocked by the collapse of crypto exchange FTX and a slump in prices. Circle, which issues the USD Coin that is pegged to the value of the dollar, had struck a deal for the initial merger to go public via Concord Acquisition Corp in July 2021. However, the two firms said they had agreed “mutual termination” of the deal today. “Concord has been a strong partner and has added value throughout this process, and we will continue to benefit from the advice and su…