Nice now if only in listr we can paste all the npubs instead one by one will get muted in one go.
nostr:nevent1qvzqqqqqqypzqtrucc4xjl4r57px2g0nl560pje8x6fuhe0fxy8n23ylgd3z5hxuqqszr820e6rrdjnpl0r7vmqjln059yx27yzd9ke42lex8jm87p38ndca6wk64 

 I think this is unfeasible in the long term, this type of blocking should be done on the relay side 

 That will end in censor someone if is in relay level