Nostr Web Client

I like the coin analogy. Your wallet is a bag of utxos (coins) of all different amounts.

If you buy a chocolate bar with a 20 btc coin and get 19.999 btc in change then you just doxxed how much bitcoin you have to the vendor.

Jim Smij 3mo ago

but I don't send 20 btc coin and get 19 in change back. I send just 1. the vendor can see into my wallet because it's open for anyone to see but they have to look with mempool dot space or whatever. the transaction confirmation doesn't expose more than the 1 btc coin, in this example.

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Discussion

jb55 3mo ago

the 20 sized utxo was an example…

Jim Smij 3mo ago

I get that, but when I send btc , im not sending 20 & getting 19 back.

jb55 3mo ago

yes you are unless you want to donate 19 to a miner. They are called change addressess

Jim Smij 3mo ago

ok, I did not understand that. thx.

jb55 3mo ago

all good, np

Oshi (推し) 3mo ago

Whale 😂

Jim Smij 3mo ago

and apparently i'm a hell of a tipper too. sending 20 & saying "keep the change" stops today, i'll tell ya!

falsefaucet 3mo ago

replace with any amount. instead of 20 btc it could be 200k sats. the amounts are irrelevant .

a utxo can be as small as it wants but alot of node software prevents you from going below what is known as the dust limit.