In late 2019 (last time I physically went to a tech conference/trade show; in this case ELCE), I actually saw a company seriously advertising "AIoT Blockchain".

In late 2019 (last time I physically went to a tech conference/trade show; in this case ELCE), I actually saw a company seriously advertising "AIoT Blockchain". I have no clue what the company really did, but I clearly remember the sales person there showing me a flow chart printed on a pillow.