Child and Parent Transactions are in the same block. Is this possible?

cakir

legendary

Activity: 1274

Merit: 1000

★ BitClave ICO: 15/09/17 ★

Quote from: GermanGiant on September 20, 2015, 08:40:25 AM

What you did is CPFP and most of the time they end up being in the same block, because the miner mining the low fee Tx would like to compensate his loss by mining the corresponding high fee Tx as well.

I know what I did, and it's not my question. I thought child and parent tx'es can't be in same block, when I saw this I was shocked and wanted confirmal.

Anyway, locking thread for no more shitposts.

GermanGiant

hero member

Activity: 784

Merit: 500

What you did is CPFP and most of the time they end up being in the same block, because the miner mining the low fee Tx would like to compensate his loss by mining the corresponding high fee Tx as well.

ATguy

sr. member

Activity: 423

Merit: 250

You can see this happen often when some service uses one stash of coins to process customer withdraws and moving all remaining coins to different address ready to process next customer withdraw. In one block you can see few such customer withdraws sometimes.

Anyway why would minner include the transaction with very low fee in the block when probably different miner in next block could get the loot - the subsequent transaction with above average fee...

shorena

copper member

Activity: 1498

Merit: 1499

No I dont escrow anymore.

Quote from: cakir on September 10, 2015, 06:46:59 AM

-snip-
Is this possible?
AFAIK, it's not possible.

Yes, a transactions output can be used as input for a (different) transaction in the same block. The child can not be in an earlier block than the parent though.

cakir

legendary

Activity: 1274

Merit: 1000

★ BitClave ICO: 15/09/17 ★

Hi, I've sent bitcoins yesterday with a low fee (1 satoshi per byte)
and then I've spend the "unconfirmed change" after that, (with the fee of 0.12 mbtc for the 339 byte).

Anyway, My second tx is child of the other. When I check it now, they're both in the same block.
You can see them here: https://blockchain.info/address/1MbrqLQRukNgNuTAn4TDoZvXcy63TR9Gtg

Yes I've check on other block chain:
http://btc.blockr.io/tx/info/1ff7ddbaa9228cd1a2ed73cff7cfb48001ba2cf985665bb92003df7f1dfca7cb
http://btc.blockr.io/tx/info/c259f687ffe8a0078eaf8ecb55920ae718d81549a5f2aa55670fe946ef7f86f0

Is this possible?
AFAIK, it's not possible.

Topic: Child and Parent Transactions are in the same block. Is this possible? (Read 510 times)