I like BCH and where it is going, however I realized thought of a concern which I fell all cryptos will face especially cryptos that have mass adoption. The blockchain size itself. BCH does not have many users right now like all cryptos, but if millions or even billions use it daily, the blockchain size can grow very fast were 1GB, 5GB or 10Gb of data can be added a day or even more. And with all transactions being immutable, they take up space which will cause most of the blockchain to storing transaction history instead of wallet amounts.
If it grows at a expontenional rate, it can become more centralized as miners cannot afford the storage costs since they will be having to buy hard drives constantly.
I am not a developer, but a way I can see this being solved is to not save transactions that are over a year or two. Allowing the blockchain to free up space over time but it will always keep track of all wallet balances forever.
This is a concern I have for all cryptos of million or even if one crypto explodes and gets billions of users using it daily. Imagine on payday if a billion of users use BCH, that will be hundread of millions of transactions that day for payday not including other transactions that occur that day. So it can grow fast with lots of users.
Are there any plans to ensure this is not an issue so when BCH has mass adoption (Which I think will happen), to ensure BCH will not have a bloated blockchain after a few months or few years of mass adoption?
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source https://www.reddit.com/r/btc/comments/g0cs7y/bch_blockchain_size_scaleability/
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