21Shares AG, the Swiss-based investment product issuer, has partnered with the leading German online brokerage Comdirect to bring its cryptocurrency exchange-traded products, or ETPs, to savings accounts. With this partnership, nearly 3 million Comdirect's customers will be able to integrate physically-backed crypto ETPs into their Spar savings accounts. 21Shares claims this as a world-first instance where investors can gain crypto exposure in their savings accounts.