Our take
Edge Wallet
Edge Wallet delivers an approachable balance between non custodial cryptographic control and everyday mobile usability. Founded in 2014 originally under the Airbitz brand, the platform abstracts away the friction of writing down twelve word seed phrases during initial onboarding. Instead, Edge uses client side zero knowledge encryption, hashing your username, password, and optional recovery questions directly on your mobile device before sending encrypted blobs to backup servers.
This design gives users absolute control over private spending keys without trusting a centralized custodian. However, the convenience introduces specific responsibilities. Losing your password and recovery questions permanently locks your funds, as Edge servers cannot read or restore your credentials. For mobile traders and multi asset holders prioritizing streamlined portfolio navigation over hardware wallet pairing, Edge offers a reliable, time tested software wallet solution.
Tangem
Tangem offers a distinctive approach to cold storage by packaging a secure element into a durable bank card form factor. Founded in Switzerland in 2017, the company designed its hardware without internal batteries, charging ports, or connecting cables. Users interact with their digital assets by tapping the smart card against an NFC-enabled mobile phone running the companion application. The architecture stands out for offering a seedless recovery model alongside traditional BIP39 mnemonic passphrases. When configured without a seed phrase, the private key is generated directly inside the secure element and cloned securely across companion backup cards. This setup removes the risk of exposing paper backups to theft, though transaction validation relies on the paired smartphone screen. Tangem delivers practical and highly portable self custody for everyday cryptocurrency holders.