Some technical questions about the grin application.（一些关于grin应用的技术疑问）

[transatoshi]

1. Payment proofs
   Payment Proofs - Grin Documentation

2. No, Grin does not have fields like OP_RETURN where you can store any additional data, so this means no ordinals or hashes

Ordinals on Grin

I think Grin is about the most spam proof chain there is. Where spam is shorthand for inscribed arbitrary data. This is because Grin is scriptless. So there’s no scripts in which to embed data. Grin has no addresses. So you can’t embed data in a pretend address. (you can in other hybrid MW chains like Litecoin). Kernels only allow a few bytes of arbitrary data in past lock heights. If you spread such data over many kernels of one tx, then finding them among a block’s sorted kernels is a…