The cubes represent blocks or collections of transaction records and their size varies depending on the number of bytes it contains. The colored balls represent transactions of different denominations.
You can click on them to see the value of each transaction and hit the space bar to clear the tile if it gets too crowded. It looks gorgeous, but you’ll want to check it out in Chrome for the full effect.
If Bitbonkers sounds familiar, it might be because you’re thinking of Bitlisten, another visualization which lets you hear gentle tones generated by Bitcoin transactions and see them as bubbles floating across your screen.
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http://thenextweb.com/shareables/2016/04/11/see-money-change-hands-real-time-beautiful-bitcoin-transaction-visualizer/#gref