Product Overview - Burner cards offer a minimalist design for offline key storage, similar to Ledger or Trezor [1] - These cards use NFC technology for quick onboarding via a smartphone web UI, eliminating the need for apps or firmware updates [1] - Burner cards replace seed phrases with a 6-digit PIN code for authentication [1] Pricing and Setup - At $9 each for Ethereum or Bitcoin editions, Burner cards are approximately 1/9th the price of Ledger's Nano S Plus [2] - Setting up a Burner wallet involves scanning a QR code, establishing an NFC connection, generating a key, setting a PIN, and naming the wallet [2][3] Functionality and Applications - Users can deposit funds from Coinbase, debit cards, or other wallets, with Ethereum and Base supported [4] - Burner cards support onchain apps like DeFi or NFT platforms via WalletConnect [5] - Features include Flexa for IRL payments and a Card Duplicator to clone addresses to new cards [5] Market Positioning - Burner cards are positioned as lightweight personal wallets or disposable crypto gift cards [2] - The industry suggests using Burner cards as a convenient alternative to hardware wallets like Ledger for travel and everyday tap payments [6]