Tangem Wallet Pack of 2 - Secure Crypto Wallet - Trusted Cold Storage for Bitcoin, Ethereum, NFT's &

Tangem Wallet Pack of 2 - Secure Crypto Wallet - Trusted Cold Storage for Bitcoin, Ethereum, NFT's &
Key item features Ultimate Security: Generates a private key that remains on the card, safeguarding crypto and NFTs from hackers with EAL6+ certification and audited firmware. Versatile Compatibility: Manages over 13,000 tokens across 70+ blockchains, supporting DeFi, NFTs, and DeEx without wires, Bluetooth, or USB. Effortless Operation: Utilizes NFC for secure transactions via a mobile device and the Tangem app, enabling buying and selling crypto with various payment methods. Smart Backup: Features a second Tangem Wallet as a backup, eliminating the need for paper, pictures, or seed phrases for recovery. Durable Design: Boasts IP68 protection against environmental conditions, ensuring longevity and robust physical security. Comprehensive Support: Compatible with Bitcoin, Ethereum, Solana, XRP, USDT, and over 6,000 cryptocurrencies, integrating with dApps and WalletConnect.

LBANK

LBANK

Can one do a CoinJoin in Shielded CSV?

The Shielded CSV paper says:[0]

Given the 64-byte space requirement on the blockchain, the current Bitcoin block size limit supports approximately 100 Shielded CSV transactions per second (irrespective of the number of coins spent and created in each transaction).

Could those be coin-joins? By having lots of (patient) users combine their inputs and outputs, the on-chain footprint per user would be miniscule.

I guess the trade-offs here are having to be online for a while, and a reduction of privacy with respect to other participants and the coordinator (if any)?

Or is it completely impractical to build collaborative Shielded CSV transactions?

[0]: https://eprint.iacr.org/2025/068



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