In the wake of such public image setbacks as the Mt. Gox heist and the incessant security threats testing the Bitcoin space, more and more exchanges (Bitstamp, Huobi, etc.) are increasingly implementing multisignature security in their wallets. The addition promises greater protection of funds by removing centralized points of failure due to the traditional custodial account model. One of the companies at the forefront of this trend is Cryptosigma, a Singapore-based multisignature digital wallet provider. Cryptosigma has partnered with Venice-based Bitcoin API developer Gem, which recently held a US$2M funding round and onboarded former PayPal executive, Ken Miller (COO), whom …