2026-06-20 · tangem
Tangem announced MoonPay Trade inside the Tangem app, enabling cross-chain trading across more than 200 chains and protocols. The update emphasizes that users can route and settle trades while their private keys remain in the Tangem card or ring.
The integration adds MoonPay Trade as a provider in Tangem Express, handling cross-chain routing and settlement without requiring users to manually manage bridges or wrapped assets. Tangem states that MoonPay Trade does not hold user funds and that custody remains with the user's Tangem wallet throughout the flow.
Exchange custody and browser-based bridge flows introduce account, phishing, approval, and counterparty risks that can lead to irreversible asset loss. Every time long-term holdings are moved into a hot exchange or unfamiliar bridge workflow, the attack surface expands.
Hardware-wallet custody keeps private keys outside exchange accounts and ordinary online devices. For long-term reserves, cold storage should remain the default, with trading workflows limited to deliberate, signed transactions and only the liquidity needed for execution exposed.
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