I think IOTA still need to provide a simpler illustration of how the Tangle really works, the past set of illustrations are not so satisfying. It looks just like blockchain for now, still yet to see what differentiates it from blockchain from the illustrations and videos, apart from word on paper.
What have you been looking at that makes the Tangle seem like a blockchain? It is a completely different approach to verifying transactions. Here are some videos you may find useful:
https://coinscabin.com/videos/iota/.
I'd say the layout of the network does look alot different. I think its alot less formal or even centralised to power then bitcoin. I have watched before some of these videos,
https://youtu.be/I_jNH9BlEEo?t=488 So its still under beta with COO at the moment
Im still not clear 100% on its operation and weighting, it seems more real world then BTC though
https://www.sales4k.com/blockchain/iota-vs-bitcoin/This picture I think sim of IOTA unfolded on my pc ages ago, I saved it. Your welcome :p
