Bitcoin IRA Aims At Making Bitcoin Investments Part Of Your Retirement Fund, a new Los Angeles startup, said it has launched a new service which will let individuals to make investments in such cryptocurrencies as Litecoin (LTC), Ethereum Classic (ETC), and Bitcoin Cash (BCH), as part of an IRS-approved retirement account. The company said it is looking to allow its customers to "build a retirement portfolio with Bitcoin and altcoins."