2021-05-26 18:21:03 +02:00
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## Very Much Frequently Asked Questions ❓
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### How much doge can exist? – So many puppies! 🐕
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Early 2015 (approximately a year and a half after release) there were
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approximately 100,000,000,000 coins.
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Each subsequent block will grant 10,000 coins to encourage miners to continue to
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secure the network and make up for lost wallets on hard drives/phones/lost
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encryption passwords/etc.
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### Such mining information ⛏
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Dogecoin uses a simplified variant of the scrypt key derivation function as its
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proof of work with a target time of one minute per block and difficulty
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readjustment after every block. The block rewards are fixed and halve every
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100,000 blocks. Starting with the 600,000th block, a permanent reward of
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2021-08-20 02:16:13 +02:00
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10,000 Dogecoin per block will be issued.
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2021-05-26 18:21:03 +02:00
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Originally, a different payout scheme was envisioned with block rewards being
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determined by taking the maximum reward as per the block schedule and applying
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the result of a Mersenne Twister pseudo-random number generator to arrive at a
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number between 0 and the maximum reward.
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This was changed starting with block 145,000, to prevent large pools from gaming
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the system and mining only high reward blocks. At the same time, the difficulty
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retargeting was also changed from four hours to once per block (every minute),
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implementing an algorithm courtesy of the DigiByte Coin development team, to
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lessen the impact of sudden increases and decreases of network hashing rate.
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**The current block reward schedule:**
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2021-08-20 02:16:13 +02:00
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| Block | Reward in Dogecoin |
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| :------------------- | -----------------: |
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| 1–99,999 | 0–1,000,000 |
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| 100,000–144,999 | 0–500,000 |
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| 145,000–199,999 | 250,000 |
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| 200,000–299,999 | 125,000 |
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| 300,000–399,999 | 62,500 |
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| 400,000–499,999 | 31,250 |
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| 500,000–599,999 | 15,625 |
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| 600,000+ | 10,000 |
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**The original block reward schedule, with one-minute block targets and
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four-hour difficulty readjustment:**
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| Block | Reward in Dogecoin |
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| :------------------- | -----------------: |
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| 1–99,999 | 0–1,000,000 |
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| 100,000–199,999 | 0–500,000 |
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| 200,000–299,999 | 0–250,000 |
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| 300,000–399,999 | 0–125,000 |
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| 400,000–499,999 | 0–62,500 |
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| 500,000–599,999 | 0–31,250 |
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| 600,000+ | 10,000 |
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