I've also partially tested some of the steps and since you're mostly targeting newcomers, then you might want to translate/explain some of the words from the "read more pop-up windows" even further.

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A couple of suggestions:

• It'd be better if you could add decimal points to the values ^{[it's a bit weird in its current state]}.
• Since one of the APIs that you're using is for Blockchain.com ^{[FKA .info]}, then perhaps you could redesign the UTXO page and display them like how "they used to do it before".
  ^{- A simple separation line between each of the UTXO fields would probably do the trick as well.}

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Bookmarked ^{[I'm impressed with both of your tools]}