jm ÜP<AÏA/WtÛd÷Ë4díÏ4¹LAnd BCH is not yet there - with current software implementations it will choke under >8M daily TX volume, no matter if the block limit is even removed, or not.
https://whatsonchain.com/tx/737e5907dcab93929a57c5ba4b3a90e90180c9e1d42046af3e0455ee22a9ae4d