Draft:Tangem Wallet
Cold-storage cryptocurrency wallet
From Wikipedia, the free encyclopedia
Tangem Wallet is a multi-chain, non-custodial cryptocurrency wallet available on Android and iOS. Developed by Andrey Kurennykh and Andrew Pantyukhin in 2017, it supports digital assets including Bitcoin, Ethereum, Solana, and others. It resembles a physical device which stores private keys inside a secure shell element embedded with an NFC antenna. This allows users to authorize blockchain transactions by tapping it against a smartphone’s receiver module.[1][2][3]
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Submission declined on 3 March 2026 by AllWeKnowOfHeaven (talk).
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Comment: In accordance with the Wikimedia Foundation's Terms of Use, I disclose that I have been paid by my employer for my contributions to this article. Clay11Harmon (talk) 21:36, 16 February 2026 (UTC)
- Comment: Since the draft was last declined by a major sockpuppet violator, I would like to request another independent review please.
History
The device originated as the Tangem Note, a single-currency physical ‘banknote’ for various blockchains which launched in Singapore in June 2018.[4] Eventually it became the multi-currency version in sets of two or three cards, allowing private keys to be backed up across multiple devices as an alternative to seed phrases.[5]
In 2024, a ring-shaped version of the Tangem Wallet was released, based on the same chip and NFC technology.[1][2]
Technology
The Tangem Wallet is comprised of an NFC antenna and a secure element chip embedded in a plastic card. The microprocessor developed by Samsung Semiconductor is certified to Common Criteria EAL6+.[6]
The chip is designed to generate private keys internally during wallet setup and never extract them outside the device. The firmware is embedded in the chip during the manufacturing process.[6]
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