Digital Wallet Eco Secures More Than $26 Million Through Latest Investment Round Led a16z Crypto  Crowdfund Insider. : Eco, a U.S.-based digital wallet for saving and spending, announced on Friday it raised more than $26 million through its latest investment round, which was led by a16z Crypto with participation from Founders Fund, Activant Capital, Coinbase Ventures, and Slow Ventures. Eco reported that the investment round comes after it raised over $8.5 million from Expa and Pantera Capital. Founded in 2018, Eco describes itself as a digital wallet for saving and spending.