This is a common problem in Minecraft where we are facing problem while placing blocks. This problem is only happens in servers not in your created world. So. today we have the solution. 2 easy way to solve this blocks disappering problem/blocks disapper and then placed after less then a second.
1. Try the privous version
If your are playing on 1.19 which is the leastest version of Minecraft then try 1.18(optifine), if you are using T-launcher.
2. Re-install it
If you have purchased this game then you have to report or reinstall it. (Before doing this check this problem in other servers, if occurs than do this. If it doesn't occurs in other servers than don't uninstall your game because it might me the server problem).
Extra Tips:-
Don't look at you internet
Blocks disappearing or blocks glitching is not the problem of you internet.
Don't breake your monitor
Some gamers do that. But you shouldn't do it.
