It’s only a semantic difference.
Once you do this, those blocked can’t affect your games any longer.
Instead, it’s possible for you to opt to “Remove” them from your Friends list.

SelectFriendsfrom the bottom-right of the gameplay screen to open theFriends & Familyscreen.
SelectFriendsto display the list of player.
Find the player you want to block on the list.

Long press on their name and chooseRemove.
TapRemoveagain in the confirmation message.
Watch out for suspicious friend requests.

Send invite links privately.
Above all, follow proper game etiquette.
What Happens When You Remove a Player?
Remember, you cancollect a lot of friendsas you progress through themany boards on Monopoly Go.
So, removing players can be useful if you spot inactive players.
It can help you create a leaner list with only players interested in trading stickers with you.
Removing a friend from the list erases their name from the list.
Random players can still attack your board.
How to Report Annoying Players in Monopoly Go?
Unfair gameplay is common across online multiplayer games.
For instance, there may be someone who’s not even on your Friends list who keeps attacking you.
Unfortunately, removing them from your Friends list won’t stop them from attacking you.
So, your last recourse is to report them to customer support at Monopoly Go.
pop kick open the hamburger menu from the top-right of the game screen.
grab the “How can I contact Customer Support?”
article or search for it in the search field.
The article details the process.
Select theChat with usbutton at the foot of the article to start a chat and report your issue.
Provide as much information as you’re able to about your grievance.