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FAQ.md

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Very Much Frequently Asked Questions ❓

How much doge can exist? – So many puppies! 🐕

Early 2015 (approximately a year and a half after release) there were approximately 100,000,000,000 coins. Each subsequent block will grant 10,000 coins to encourage miners to continue to secure the network and make up for lost wallets on hard drives/phones/lost encryption passwords/etc.

Such mining information ⛏

Dogecoin uses a simplified variant of the scrypt key derivation function as its proof of work with a target time of one minute per block and difficulty readjustment after every block. The block rewards are fixed and halve every 100,000 blocks. Starting with the 600,000th block, a permanent reward of 10,000 Dogecoin per block will be issued.

Originally, a different payout scheme was envisioned with block rewards being determined by taking the maximum reward as per the block schedule and applying the result of a Mersenne Twister pseudo-random number generator to arrive at a number between 0 and the maximum reward.

This was changed starting with block 145,000, to prevent large pools from gaming the system and mining only high reward blocks. At the same time, the difficulty retargeting was also changed from four hours to once per block (every minute), implementing an algorithm courtesy of the DigiByte Coin development team, to lessen the impact of sudden increases and decreases of network hashing rate.

The current block reward schedule:

Block Reward in Dogecoin
1–99,999 0–1,000,000
100,000–144,999 0–500,000
145,000–199,999 250,000
200,000–299,999 125,000
300,000–399,999 62,500
400,000–499,999 31,250
500,000–599,999 15,625
600,000+ 10,000

The original block reward schedule, with one-minute block targets and four-hour difficulty readjustment:

Block Reward in Dogecoin
1–99,999 0–1,000,000
100,000–199,999 0–500,000
200,000–299,999 0–250,000
300,000–399,999 0–125,000
400,000–499,999 0–62,500
500,000–599,999 0–31,250
600,000+ 10,000