nostr:nprofile1qqsf03c2gsmx5ef4c9zmxvlew04gdh7u94afnknp33qvv3c94kvwxgspz3mhxue69uhhyetvv9ujuerpd46hxtnfduq3xamnwvaz7tmjv4kxz7tpvfkx2tn0wfnszymhwden5te0dehhxarj9cmrswpwdaexwnanw2j Can we have client side custom block filters so that I can block npubs with certain pattern?

