CoinJar is an Australian bitcoin platform that enables the buying and selling of bitcoins and allows merchants to accept bitcoin payments. It allows online businesses to accept bitcoins in various categories such as bitcoin tools, brick and mortar, charities and non-profits, electronics and computers, fashion and apparel, gifts, health and beauty, and many others. The platform uses multi-factor authentication to ensure its users’ bitcoins are safe. CoinJar was launched in 2013 in Melbourne, Australia.