EFFECTIVE SUPPLY · BTC
20,055,250.98189928
−2,810.68465168 out of circulation · provably lost
OUT OF CIRCULATION−2,810.68465168
Q-CAPTURED1,085,591.23177000
+28.95844904 BTC expected,
never claimed by miners
never claimed by miners
EFFECTIVEOUT OF CIRCUNISSUEDQ-CAPTURED
+28.95844904 BTC expected but never claimed by miners — excluded from issued supply.
WHAT COUNTS AS OUT OF CIRCULATION?−2,810.68465168
NOTHINGPROVABLEPROBABLEDORMANTEVERYTHING
DORMANCY THRESHOLD · ≥ 10Y
1y3y5y7y10y15y20y
Mathematically certain only: outputs spent to unspendable conditions. The default view.
PROVABLERULES 000–011
Block 0 coinbase50.00000000
Duplicate coinbase txids100.00000000
Mt. Gox error script2,609.36304319
OP_RETURN outputs51.15572109
Invalid scripts & off-curve keys2,609.52893659
PROBABLERULES 012–013
Known burn addresses821.68872986
OP_TRUE dormant ≥ 3y0.00000000
NUMS-key burns0.01718034
DORMANTRULE 014
Untouched ≥ 10y · incl. Satoshi-era3,546,027.24813571
Active UTXOs (moved < 10y)16,508,402.02785337
OUT OF CIRCULATION2,810.68465168 · 0.014%
1Mt. Gox error script003−2,609.363043192011
3Duplicate coinbase txids001−100.000000002010
4Block 0 coinbase000−50.000000002009
QUANTUM ATTACK CAPTURE30.0% of exposed
If a practical quantum computer existed, a rational attacker would break the largest exposed keys first. Sweep the capture.
captured1,085,591.23177000 BTC
keys broken328
smallest output worth breaking211.80146603 BTC
effective supply after attack18,969,659.75012928
P2PK 1,715,819.53230598 · EXPOSED P2PKH 1,902,817.90692736 · TOTAL 3,618,637.43923334
A different cut through the same outputs — never added to the loss total. Full quantum explorer →
1,050,000~2028-04-13 (est.)3.125 → 1.5625
840,0002024-04-20 00:09 UTC6.25 → 3.125
630,0002020-05-11 19:23 UTC12.5 → 6.25
420,0002016-07-09 16:46 UTC25 → 12.5
210,0002012-11-28 15:24 UTC50 → 25