According to the link in the comment: "The purpose of this URI scheme is to enable users to easily make payments by simply clicking links on webpages or scanni

According to the link in the comment: "The purpose of this URI scheme is to enable users to easily make payments by simply clicking links on webpages or scanning QR Codes." Source: https://en.bitcoin.it/wiki/BIP_0021 https://en.bitcoin.it/wiki/BIP_0021