Cryptocurrency self-custody, where the owner has exclusive control over their crypto holdings, is gaining traction with the introduction of a new wearable cold wallet. On July 17, hardware wallet firm Tangem announced the Tangem Ring, a self-custodial crypto wallet designed as a ring. Tangem’s chief technology officer, Andrey Lazutkin, explained that the Tangem Ring combines self-custody with wearables to promote daily cryptocurrency use. He said: “We believe that cryptocurrency should bring daily benefits to humanity, not just sit in a bank vault. “In other words, cryptocurrency should be used on a daily basis. And we in Tangem want to create