CIP - Cardano payment URI Scheme

Developers CIPs
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This is a description of something we’ve already implemented in the Yoroi Extension and in Yoroi Mobile. Another proposal for extending this to also be used for stake pools can be found here: CIP needs attention: URI scheme for pools & delegation portfolios

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thanks @SebastienGllmt - it’s very good to see this is moving along :sunglasses: … for everyone’s reference, the link above was a just a particular call for participation to the forum developer community, while the main link with the forum discussion so far on the Stake Pool URI Scheme CIP is here:

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Hi, I have a comment about the proposal. I’ve also posted this comment on PR #61 on GitHub. Please excuse the duplication:

I believe we need a URI scheme that will allow us to describe locations of addresses and transactions on Cardano (and other blockchains). I think it might be smart to use this opportunity to define the web+cardano: scheme more generally in such a way that it can be used to locate specific addresses and transactions on the blockchain. I’m personally working on a UTXO metadata project where it would be extremely useful to use URLs pointing to other transactions on the chain. The ability to initiate a payment can still be retained through the generalized design.

Ideas for how such a scheme could work have been proposed in the past. See: [bitcoin-dev] RFC - BIP: URI scheme for Blockchain exploration

Let me put it another way: If the Cardano blockchain is effectively an immutable transaction-log-style data store, wouldn’t it be useful to have a URI scheme for describing metadata resources and their locations on the blockchain?

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Have responded on Github with how I believe it affects that pull request.

In short: it’s best left to @SebastienGllmt or equivalent but based on my experience this should be its own CIP, and I think you should start another forum thread on this issue with examples & supporting material before beginning the somewhat confining CIP process.

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I’ll wait for @SebastienGllmt to respond, and I’ll move forward with a new thread if he agrees.

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I read that stuff with great interest. Any updates so far?

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welcome @Dawidgreenwood … stake pool links have since been added to this standard along with the payment links. As far as I know, Emurgo supports the payment links (if selected) and Daedalus has not. You can see the resulting full specification for payment + stake pool links here:

As far as I know, there are no plans for any Cardano wallet developers to honour the community press for links to stake pools. There was lots of talk about it in the IOG Marketing SPO channels a couple months ago, but nobody there really got behind it either, which is a shame: the energy in that community appears to come from medium-saturated stake pool operators who would probably feel threatened by widespread links to much smaller stake pools and crowdsourced delegation portfolios.

For now, anyone who wishes to support this feature request in Daedalus is welcome to make a comment here:

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Thanks for sharing. Gonna follow the link and make a comment there!

It’s unfortunate that there are no plans for Cardano wallet devs to honor the community press for links. But it’s great that Emurgo supports the payment links. I’ve recently created a shop and wanted to have this feature on it. At the same time, I have another website with the ability to set an online gaming merchant account on it. It works pretty well and I wanted to implement smth similar on another project of mine.

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