[...]
I think using via Telegram to register is always the best.
Yesterday I tried the registration again with the mail address in Firefox, which actually worked without any problems. However, a “Sign Up” with the same email address did not work this morning in Chrome, so it may well be that there are actually technical problems and you cannot complete the registration/login with a Chrome-based browser.
I'll therefore stick with Firefox for now and hope that my first sports bets on whale.io bring the desired success

The German Bundesliga is already starting the next round today and there are at least a few “safe” tips on paper that I will combine into a combined bet, eg. the Bayern game:
