PayID VS LeakCheck

This exists already and it would be amazing if more places used it. You can be cooly$mccool.net. Demand adoption. Source: almost 3 years ago

Bithomp supports x-addresses, but there is something better called PayString: https://paystring.org/ (which can hold an x-address and more). Source: almost 3 years ago

It is not QR code. It is something called PayString: https://paystring.org. - Source: Hacker News / almost 3 years ago

Https://leakcheck.io/ - Payed, But you get passwords in clear text and there's a cheap 1 time payment option! Source: 12 months ago

Sharing is caring, so I'll share one of mines. I tend to use google dorking as usual, but also use LeakCheck which is a rather handy tool to receive clear text passwords from Usernames, Email Addresses and such. Are there any other places, like these, that can be of use? :). Source: about 1 year ago

You could try https://leakcheck.net/ or https://www.dehashed.com/ (personally best for me) but they are paid unfortunately. Source: over 2 years ago

There was a data breach last year. Check on https://leakcheck.net/ whether your details were on there. Source: over 2 years ago

I think https://leakcheck.net/ might be the one you're looking for. For personal emails I use hacknotice.com. Source: about 3 years ago