Digital Currency Group manages the publicly traded Bitcoin Investment Trust (Symbol: GBTC) – were combined with seed investments founder Barry Silbert had made in the bitcoin and blockchain space. In 2016 DCG partnered with Amazon Web Services to create a laboratory environment allowing companies to experiment with blockchain technologies. Established in 2013, Grayscale is a digital currency investing firm. It manages the Bitcoin Investment Trust (BIT), provides titled, auditable bitcoin exposure through a traditional investment vehicle. BIT shares are the first publicly quoted securities solely invested in, and deriving value from, the price of bitcoin. The Trust trades under symbol: GBTC on the
Private currency permit the transfer of points or miles. Some startups, such as the Canadian website Points.com, have sought to make loyalty "points" more currency-like by creating an exchange where points from one loyalty program can be traded for points in other such programs. A cryptocurrency is a form of digital or virtual currency where cryptography secures the transactions and controls the creation of additional units of the currency. A cryptocurrency wallet can be used to store the public and private keys which can be used to receive or spend the cryptocurrency. The cryptographic systems used allow for decentralisation; a decentralised cryptocurrency