GetVerboseBlockInfo uses NBitcoin's SendCommandAsync, which parses the returned JSON with Newtonsoft.

Then our RpcParser parses it again with Newtonsoft.

There're 2 opportunities to improve the performance significantly:

• Don't parse the JSON twice.
• Parse the JSON with System.Text.JSON instead.

The performance gain was about 80% when I messed around with it (https://github.

This is just fanciness / sparkliness to let a user know they generate something. Could use a sound too.

might only be worth it on iOS because you don't need any additional permission: https://docs.microsoft.com/en-us/xamarin/essentials/haptic-feedback?tabs=ios