Created
May 5, 2022 22:53
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| HaLo | SiLo | Typical NFC tag | ||
|---|---|---|---|---|
| App Required? | No | Yes, open sourced | No | |
| Elliptic Curve | secp256k1 | secp256r1 | No ECDSA support | |
| Cost to verify signatures on chain? | 3,000 gas | 1+ million gas | Can't generate signatures | |
| Security Guarantees | Firmware-level | Hardware-level | Typically limited to a fixed signature | |
| Waterproof and washable? | Yes | Limited | Yes, depends on form factor |
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