Builds every casatookan:// link, comes back here with Casa’s answer and verifies the signature.
Open this page on the phone where Casa Tookan is installed, with the wallet unlocked. Otherwise browse and getaddress are ignored.
casatookan://browse/{url}
Casa signs msg then calls x-success back:
an app scheme (myapp → myapp://sendaddress?address=…&msg=…&sig=…)
or an https:// page (→ https://…?address=…&msg=…&sig=…).
Filled in automatically when Casa returns to this page; otherwise paste the callback URL you received. The Ethereum signature is verified (raw keccak256, v = 27+recid: the legacy web3XCP format, which differs from EIP-191).
casatookan://superUser/{true|false}