EIP-5573: SIWE ReCap

oed · November 16, 2022, 5:15pm

I threw together a quick comparison of ReCap and UCAN. I think there are some changes we could make to ReCap to make it more compatible with UCAN.

gist.github.com

https://gist.github.com/oed/24207b2de1fb63e05867f1cf45776df8

ucan-recap.md

Exploreing the differences between how capabilities are represetned between UCAN and ReCap.

## Comparison

|                 | [UCAN](https://github.com/ucan-wg/spec)    | [ReCap](https://eips.ethereum.org/EIPS/eip-5573)   |
| --------------- | ------------------------------------------ | -------------------------------------------------- |
| `$RESOURSE`     | Needs to be a URL                          | Any String                                         |
| `$ABILITY`      | One ability per resource ref               | Any nymber of abilities per resource ref           |
| `$EXTENSION`    | Additional caveats for a specific resource | Additional information, relevant for all resources |
| All resources   | Not possible                               | In `def` property                                  |

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