21 juta limit bitcoin itu dari aturan ini kan gan? apa ada aturan yang memang secara jelas yang menyatakan limit bitcoin 21 juta?
Saat Satoshi mengumumkan peluncuran Bitcoin di Metzdowd cryptography mailing list, Limit 21 Juta coin ini juga ikut disertakan
Total circulation will be 21,000,000 coins. It'll be distributed to network nodes when they make blocks, with the amount cut in half every 4 years.
first 4 years: 10,500,000 coins
next 4 years: 5,250,000 coins
next 4 years: 2,625,000 coins
next 4 years: 1,312,500 coins
etc...
Source
https://www.metzdowd.com/pipermail/cryptography/2009-January/014994.htmlAtau jika agan melakukan kalkulasi pada formula dibawah ini maka akan mendapatkan hasil yang mendekati nilai 21 Juta
CAmount nSubsidy = 50 * COIN;
// Subsidy is cut in half every 210,000 blocks which will occur approximately every 4 years.
nSubsidy >>= halvings;
return nSubsidy;
Source
https://github.com/bitcoin/bitcoin/blob/master/src/validation.cpp