Questions tagged [tx-extra]
Questions about the tx_extra_field and its possible use cases
21
questions
0
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2answers
37 views
Is there an example of a transaction that makes use of tx_extra field? Is this public unencrypted data?
Is there a transaction that makes use of the tx_extra field that is viewable in the monero block explorer?
0
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1answer
23 views
What is the CLI command to make use of tx_extra field in a transaction? And how does one retrieve this data back on the receiver's end?
Say I wanted to attach a bitcoin address to a monero transaction in the tx_extra. How can I do this using the CLI wallet? And how does the receiver see this tx_extra data?
1
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2answers
99 views
Complete extra field structure (standard interpretation)
The documentation on transactions' 'extra' field is spread out and not completely clear. This is the original cryptonote description. Here is a different question that reveals some more of the ...
0
votes
1answer
20 views
Why is the content of tx different between monero-utils-deserialize and print_block?
I built a private testnet with reference to https://github.com/moneroexamples/private-testnet.
When I used monero-utils-desirialize to check the public tx key, I noticed that the displayed tx content ...
1
vote
1answer
64 views
Correctly retrieving the tx_pubkey from a transaction
I found, in the code, an example of a function that retrieves a public key from a transaction. The comments say that because of a previous bug, the tx may contain more than one public key.
Do I ...
1
vote
1answer
68 views
How to use the --extra-messages-file option?
monerod has an option to include an extra message in a coinbase transaction with --extra-messages-file.
What format should the text in the file be? Hex, Decimal, or some other format?
Once the ...
1
vote
2answers
160 views
An example of transaction with at least two subaddress destinations
Could you provide an example of already mined transaction that has at least two outputs leading to a non-change subaddresses?
If my understanding is correct this should be visible from the blockchain,...
5
votes
1answer
211 views
Is the tx-extra field publicly visible?
If I put something in the tx-extra field of a transaction, will it be publicly visible and unencrypted? That is, anyone can see it on the public view of the monero transactions? And I assume the tx-...
0
votes
1answer
119 views
How much I “deanonymize” transaction when I put my address into “extra” part of a transaction?
Does it break untraceability or unlinkability (or something else) if everyone can see the sender's address (or one of the senders because of mixins)?
And I mean doing it for example for every 10th ...
1
vote
1answer
151 views
Was the reasoning behind the large tx extra in minergate's transactions ever revealed?
It's absolutely enormous. Was it revealed why it's used?
This is a Minergate block:
http://explore.moneroworld.com/tx/bba343e5e172f07f623fb34c0cbd26519567cc374c5d61d468d370714f3d5b66
This is a ...
3
votes
1answer
142 views
Why some coinbase transactions have very long extra field, and some short?
Wondering what is the difference between coinbase transactions. For example, this coinbase transaction has short extra field:
https://moneroexplorer.com/tx/...
7
votes
3answers
185 views
Is there a way to cap the size of the tx_extra_field?
Right now, the only suggested use-case for the tx_extra_field is for the payment ID. Can we limit the size of the tx_extra_field to a specific size to prevent people from abusing placing a large ...
4
votes
2answers
180 views
Does the new v5 hardfork low fee option create a risk for blockchain bloat?
I understand the only thing limiting people from inserting, for example, a 180MB FLAC encoded recording of The Sign into the tx-extra field in a Monero transaction is the high fees they pay per kb.
...
5
votes
2answers
579 views
How to use tx-extra
How can I use tx-extra to store something in it?
For example with simplewallet.
Any help with this would be Greatly appreciated!
Thanks in advance!
2
votes
1answer
64 views
Ability to return funds
At a protocol level is there anyway to embed a return address to allow a transaction recipient to send funds back?
8
votes
1answer
464 views
Is it possible to embed message for recipient in transaction?
I would like to embed human-readable short text message to outgoing transaction such that only the receiver can read it. May be reasonably short. Something similar like in wire transfer when sending ...
5
votes
1answer
253 views
As a miner how would I put data in the 'extra' field?
How would I be able to put data in the extra field for say a nonce or whatever?
8
votes
2answers
264 views
Why is the payment ID specified on a per TX basis?
I understand that the payment ID is stored in the tx-extra field. Only one payment ID can be specified when sending, even when sending to multiple addresses, because it's specified on a per-tx basis.
...
3
votes
1answer
268 views
failed to deserialize extra field
I've started simplewallet together with bitmonerod and looking into simplewallet.log file I can see something like this:
2016-Sep-08 12:01:29.853608 [RPC0]Transaction extra has unsupported format: &...
9
votes
1answer
802 views
How are the various tx-extra types/formats used?
Reading the code, I see that transactions can contain an unlimited number of tx_extra_field items.
tx_extra_field is defined in src/cryptonote_core/tx_extra.h as a union of a few possible types, ...
16
votes
1answer
253 views
Counterparty On Monero
Counterparty is a cryptocurrency that sits in a layer 'on top of' Bitcoin. Unlike colored coins, which map identities to units of Bitcoin, Counterparty tokens aren't attached to any units of Bitcoin ...
