The max supply is 4.3B coins. However, it will likely be decades before there are ever that many coins in existence at once (if ever) because
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The network will kick off with the number of MAID coins (converted to Safecoins) in existence + early investors’ coins (~600M coins)
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Many of those coins may likely remain on exchanges/in private wallets or be “burned” in exchange for services
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Because coins are destroyed once used that naturally limits growth in total coins available
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The farming algorithm will adjust how many coins are available based on size of the network
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Divisibility, once solved, will address micro payments
When you think about it, the current internet is about 20 years old. In that timeframe, its value went from $0 to ~$20T. One way to think of potential coin value would be: if you say that it takes Safe a decade or two post launch to reach maturation, apply a percentage of “market share” if you will that SAFE could capture and divide that by 4.3B coins.