Decentralize QR Payments | Sebastian Burkhard | ETHMumbai 2026

This talk explores open, interoperable payments through QR codes, focusing on reducing vendor lock-in, building systems that pass the “walk away test,” and why decentralization, self-custody, immutability, and privacy matter in payment infrastructure. Follow Sebastian on X: https://x.com/yodl_meister Follow ETHMumbai on X: https://x.com/ethmumbai ETHMumbai 2026 is the BEST Ethereum Conference & Hackathon hosted on 12th – 15th March 2026 in Mumbai.