Could you explain, pls: what “security tokens“ mean at https://sovryn.com/all-things-sovryn/taproot-assets#block-detail-6? GPT explains it as tokenized securities which sounds to me implausible enough to ask here. X)
As the bonus question. It seems to me the protocol also has semi-fungibles – why it was not mentioned on the page? 
PS pls, move the topic to a proper category if I had missed