I never predicted that web3 apps would be possible to Telegram, and I never expected that Notcoin will pump to the moon. I regret disregarding that coin a few months ago 🥲. However, there are new emerging projects that have potential like the Egg Drop. This is the link if you want to check it — https://t.me/EggDrop_GombleBot/app?startapp=9f6aa43bf6a94baa879d26e3a06d7ca9.

In terms of security of wallet, I am worried that some project might pretend that they're a legit project and once they have access to your wallet, they will steal funds inside of it.