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Transactions are signed messages carrying out the transfer or generation of bitcoins. They are broadcast throughout the Bitcoin network and, if accepted, integrated in the blockchain.
0
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Is it possible to make an output only spendable to a specific address?
This kind of thing is called a "covenant transaction". It is not currently possible in bitcoin, however there are proposals to add this to bitcion and one of them will likely land sometime in the next …
17
votes
2
answers
9k
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How do bech32 addresses compare to P2SH addresses in transaction size?
Bech32 (starts with bc1) and P2SH (starts with 3) can both be used for segwit transactions. … I know bech32 is supposed to create smaller transactions, but I'd like to know how much smaller (than P2SH). How do transactions coming from a normal single-key address compare? …
1
vote
Transaction overriding in lightning network
So once new commitment transactions are created (which use fresh secrets and hashes), both parties exchange their old secrets allowing, for example, A to spend from B*. …
9
votes
Why does Bitcoin send the "change" to a different address?
The idea of the change addresses is an attempt to make transactions anonymous. … /blog/if-youre-not-careful-bitcoins-arent-as-anonymous-as-you-think
When you have a wallet filled with change addresses, transactions will be forced to use some of those change addresses to fill transactions …