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

Possible rollback due to lazy reveal in BRC20?

Let's assume user A committed an inscription with {"op":"deploy", "tick": "test"} at block 100 (without revealing it yet). Then user B commits and reveals the exact same inscription at block 101. Because the indexer isn't aware that A's earlier commit was actually for "test," it recognizes B's "test" token as the official one.

From blocks 101 to 199, users freely perform various "test" token transactions (e.g., "mint", "transfer"). However, at block 200, user A finally reveals their earlier commit. In that case, will the indexer roll back all "test"-related histories that happened between blocks 101 and 199?

If so, can we really trust that all BRC20 tokens recognized by the indexer are "safely" the official ones?



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