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So far as I do know, for working a full node, we should always have sufficient storage to retailer the entire block chain which is at present round 390 GB.
That is not right. Bitcoin Core can run in pruned mode, the place it downloads, processes, and verifies all blocks, however then discards them, solely protecting the UTXO set and the previous few hundred blocks.
A couple of options are unavailable in pruned mode. Clearly a pruned node can’t serve the complete blockchain information to different nodes which can be synchronizing, making them “leeches” in a approach. Although up to now, there appears to be no lack of full nodes that do serve the complete chain.
One other unavailable function is rescanning. That is solely wanted when you’re importing an outdated backup of a pockets. In non-pruned mode, the pockets code can simply go over all blockchain transactions to seek out any that will have paid it (or spent cash from it), and discover its newest state. In pruning mode this isn’t potential, and also you’d must obtain all block information once more.
However right here on the official bitcoin.org the minimal hard-disk is talked about as 7 GB for working a full node. How is it potential?
Operating in pruned mode wants a couple of GB for the UTXO set, and this worth could in fact develop over time, however the progress a lot slower than the blockchain ifself.
A aspect query: I’ve a digital server with 100 GB capability, and I needed to run a full node. Can I run a full node with 100 GB storage?
Operating in pruned mose needs to be completely possible.
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