How does a new card network get on existing terminals?

Via EMV AID registration and acquirer routing table updates. No hardware changes — one-day config if they cooperate.

Can OpenPasskey replace Visa or Mastercard?

Unlikely. Networks thrive on defaults and reliability. This nips edges, doesn't topple giants.

Settlement delays from blockchain volatility, regulatory scrutiny, fallback to Visa on failures.

Visa rules 100 million terminals. This 3-person crew thinks EMV lets them crash the party for free. Skeptical? You should be.

DevTools Feed Apr 03, 2026 4 min read

EMV standards let startups piggyback Visa's 100M+ terminals without partnerships. 𝕏
On-chain settlement skips routing fees but risks delays and unreliability. 𝕏
Bootstrapped to 3,200 users, but scaling acquirers is the real hurdle. 𝕏

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#EMV standards #crypto payments #fintech startups #payment networks

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Originally reported by dev.to