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Author Topic: If Running a Bitcoin Node Became Too Expensive, Would Decentralization Suffer  (Read 242 times)
Gost ms
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October 26, 2026, 09:47:29 AM
 #21

Yes, it will definitely be, and it will probably never happen. Because if that amount of electricity is the price, then at that time about 50% of the people will not have electricity in their homes. So the possibility of such a situation is much less. Whenever there is a shortage of electricity, there are many means through which electricity can be generated and the shortage of electricity can be dealt with.

And if such a situation ever arises, then the price of Bitcoin will definitely increase a lot at that time. When the price of Bitcoin increases a lot, a person will get a lot of money by verifying transactions, with which he will be able to pay the electricity bill. If the number of nodes running is less, then Bitcoin will not be centralized, but rather the possibility of a 51% attack may increase.

Leon Zimmer
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October 26, 2026, 10:12:42 AM
 #22

shows since 2023 many blocks almost fully reach block size weight limit. So from that angle, it won't become worse.
Fair point. If blocks already sit near the cap, the limit is what bounds node costs, whatever the content. So this supports defending the weight limit rather than being a separate risk.

Do tell me how a node can prevent a miner from censoring and invalidating transactions!
It cant, and I overstated that earlier. Nodes enforce validity, not inclusion. What they stop is miners rewriting the rules (inflating supply, spending without a signature, etc.). Censorship of transactions is a separate problem that nodes dont solve.

So, can you please elaborate next time the "costs" of running a node if we move to let's say 10vMB blocks?

10 MB*144 blocks*365 days is about 525 GB per year (assuming blocks are always full). That would cost around $50–80 per year using SSD storage at today’s prices.

Bandwidth: about 1.4 GB per day to download, and around 350 GB a month to upload (assuming 8 peers on average). For an unmetered connection that’s a few beers a month. On capped or metered connection it can eat up the whole data allowance. Thats the group I meant, not average German.



I think we have covered the main points. Nodes enforce validity, not inclusion, and cost of verifying is still real tradeoff if blocks get bigger. I will leave it there.
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October 26, 2026, 11:18:56 AM
 #23

If only wealthy individuals, large companies could afford to run nodes, would Bitcoin still be decentralized as it is today?

What's determines for Bitcoin decentralization is not in the ability to afford to running a node, the only requirements to this is when you can afford the device that could help you download the full blockchain, and the benefits is for privacy purpose.

When we talk about the centralization, you don't have to mix it up with privacy because the blockchain technology operates as an independent network and everything is programmed under the protocol that only permit for full compliance, anything not in consensus will not be accepted, there are other ways you could also maintain decentralization and privacy like using a decentralized exchange, using bitcoincore you are so on.

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