Questions tagged [utxo-set]

The global set of unspent transaction outputs at the chaintip.

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20
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2answers
5k views

The Bitcoin.it wiki says addresses do not carry balances...but all info suggests otherwise

The Bitcoin wiki states, "Addresses are not wallets nor accounts, and do not carry balances." Yet, there's a zillion articles online about Bitcoin address balances, the Bitcoin blockchain explorers ...
3
votes
1answer
427 views

How bitcoin nodes update UTXO set when their latests blocks are replaced?

Let's say bitcoin node has 100 blocks. Then he recieve another two blocks. Now it have 102 blocks. But now he recieve block 103. And this block is from another chain and our node have to remove blocks ...
5
votes
2answers
495 views

Has UTXO selection methods changed since activation of Segwit?

Before Segwit, transactions were penalized higher fees for having more inputs than outputs due to the input size being larger despite those transactions actually decreasing the global UTXO set. Segwit ...
3
votes
1answer
397 views

When exactly an entry is removed or added to the UTXO's set in the Bitcoin core?

I do have this implementation question and wanted to know how it's implemented specifically in the Bitcoin core. 1. When exactly an entry is added to the set of unspent transactions outputs? Is it ...
2
votes
1answer
540 views

State of transaction and UTXO

What I have learned is that state is an abstract thing and is maintained by the node locally and the state of the current blockchain can be reached by starting all the way from the genesis block and ...
0
votes
1answer
45 views

What were some discussed and current potential issues with pre-forked Bitcoin coins from August 2017 that have never moved since then?

I was speaking to a friend that mentioned that there were issues with pre-forked Bitcoin coins from Aug 2017 that never moved. He wouldn't tell me exactly what the potential issue was, but what were ...
0
votes
1answer
726 views

How to quickly get the balance of any bitcoin address? (with no third-party API)

As some people have mentioned (eg. here), the only way to get the balance of an address in bitcoin core was to import it as a watch-only address and rescan the blockchain. Starting with bitcoin core ...