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This is a simple financial model, created to help Zcash community members understand the economics of the current - and a potential/hypothetical future - Dev Fund.

This is neither a proposal nor a suggestion, merely a tool to enable better-informed discussion.

To experiment using this model, make your own copy by going to the File menu and selecting Make a copy. That will create a copy of this spreadsheet that you can edit.

To ensure that the model remains accurate, you should only edit the green cells.
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Today, the block reward is 3.125ZEC.
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Blocks are mined every1.25
minutes, on average.
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48blocks per hour,
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1,152
blocks per day, or
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420,768blocks per year.
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So, annually, the total block reward amounts to1,314,900ZEC.
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Of that, 20%
is allocated to the Dev Fund.
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That equates to262,980ZEC per annum.
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Miners80%
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The remainder...80%
goes to the miners.
Dev Fund20%
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That equates to1,051,920ZEC per annum.
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At a ZECUSD price of$27.00USD...
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..the Dev Fund amounts to $7,100,460USD annually ...
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..while miners receive ZEC worth$28,401,840USD.
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The Dev Fund is currently allocated as follows:
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SlicePercentageZEC amount (annual)Fiat value
(USD, annual)
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ZCG40%105,192$2,840,184
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Bootstrap / ECC35%92,043$2,485,161
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ZF25%65,745$1,775,115
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NB: These are annual numbers.
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After the Halving in November 2024, the block reward will be1.5625ZEC...
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..or657,450ZEC per annum.
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NB: This assumes no changes to the Zcash emission schedule.
The Zcash Sustainability Fund proposal would, if adopted, change
the emission schedule significantly.
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If the community were to allocate20%
of new ZEC issuance to
a new "Dev Fund 2.0"...
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..that would equate to 131,490
ZEC per annum ...
Miners80%
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..with miners receiving525,960ZEC per annum.Dev Fund 2.020%
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At a ZECUSD price of$27.00USD ...
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..Dev Fund 2.0 would amount to $3,550,230
USD annually, and ...
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..miners would receive ZEC worth$14,200,920USD.
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Hypothetical Dev Fund 2.0 allocation:
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SlicePercentageZEC amount
(annual)		Fiat value
(USD, annual)
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ZCG20%26,298$710,046
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Bootstrap / ECC20%26,298$710,046
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ZF20%26,298$710,046
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New Recipient A20%26,298$710,046
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New Recipient B20%26,298$710,046
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NB: These are annual numbers, and assume no change over time.
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Model v1