Observed arrival · 2026-09-15
UTXO Timelapse: Bitcoin, Block by Block
An interactive visual history of Bitcoin’s unspent transaction outputs, rendered from the genesis block onward.
○Open
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$Paid
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✦Pretty
●Pro
◎Niche
◉Human
⚑Risk
ƒJS
Field notes
The map places output creation height on the horizontal axis and output amount on a logarithmic vertical axis, while colour compresses weighted density into a readable field. Older 105,000-block bands progressively shrink so the newest epoch occupies half the canvas. White flashes mark current-block creation or spending, and the project links its source, configuration, video encoding details, and Explorer API under an MIT license.
Observed signals
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Editorial observations of this landing page, not a rating.
○OpenPublic substance visible
✦PrettyNotable craft visible
●ProPolished or operationally mature
◎NicheUnusually specific use
One card from the complete issue