just search "BSV CSAM" on any search engine. it was a mess and node runners had to make their own client with filters. and invent pruning methods.

there is a rush because v30 comes out this week.

also you can watch videos of the "Bitcoin University" on YT , he aggregates many information in his videos. he has hours of content on it (probably, didnt count).

there is also a video of BitcoinMechanic called "Bitcoin OG and Legend Jason Hughes Explains the Damage Of 100KB OP_RETURN".

some old post from satoshi: