🔹[EPIC] Chain Signatures API docs

[bucanero]

Description

Documentation for chain signatures API. (big chunk of the Account Abstraction work)

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Goal

We’d like to have a few documents for people to use it covering:

• What it is
• How to use it (wallet client & smart contract)
• What it’s useful for
• Some worked examples from end to end

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Resources

(Relevant documentation, Figma links, and other reference material)

• The why of chain signatures
• The proposed wallet API for signing things across chains
• Our trove of product documents
• How this can be used for cross chain swaps
• How this can be used for cross chain lending

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Related Issues

Beta Give feedback

1. [doc] create 'Chain Signatures - What it is' article #1678
   doc-request +1
   
2. [doc] create 'Chain signatures - how to use it' article #1679
   doc-request +1
   
3. [doc] create 'Chain signatures - what its useful for' article #1680
   doc-request +1
   
4. [doc] create 'Chain signatures' examples #1681
   doc-request +1
   

[bucanero]

Req. by @DavidM-D
Delivery date: 31st of March

[DavidM-D]

We're releasing on mainnet on the 31st of March, but it'd be great to gradually release docs for people who are building on testnet.