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The Cobo Vault mobile app is the companion app of the Cobo Vault. Since the Cobo Vault is an air-gapped cold wallet (no WiFi, Bluetooth, NFC, 3G/4G, etc.), it needs to be connected to a "hot end" app. The Cobo Vault mobile app is the "hot end" app. The main functions of the app are to: obtain address balances; initiate and receive transactions; and broadcast transactions to the blockchain.

Cobo Vault is the world’s first military-grade cryptocurrency cold storage wallet. It has multiple layers of security to protect against supply chain attacks, man-in-the-middle attacks, side-channel attacks, and brute force attacks. Cobo Vault’s bank-grade encryption chip meets the BIP 32, 39, 44 protocol and performs all transaction signatures within the encryption chip to ensure that the private key is never exposed.

The Cobo Vault is IP68 water resistant, IK9 impact resistant, and meets U.S. Military Standard (MIL-STD-810G) tests for drop resistance, temperature shock and more. Cobo Vault is designed with a detachable battery to prevent battery damage over long-term storage. The introduction of the Cobo Vault has pushed hardware wallet security to a level that has never been seen before.

Cobo Vault supports BTC, ETH, BCH, DASH, EOS, ETC, LTC, TRX, ERC-20 tokens and more.

Main functions of the Cobo Vault mobile app: balance inquiry, transaction sending and receiving, message signing and verification, multi-signature and more.
To learn more about Cobo Vault visit: https://cobo.com/hardware-wallet