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1  Alternate cryptocurrencies / Altcoin Discussion / Re: Bitcoin Protocol OP_RETURN + Omni USDT Tether + CoPay Multisig Help on: December 05, 2017, 08:22:47 AM
Hi gevs,

just a few quick notes:

Quote
16: mandatory-script-verify-flag-failed (Script evaluated without error but finished with a false/empty top stack element)

IIRC this error pops up, if there are still signatures missing to satisfy the multisig script.

Quote
Missing inputs

Are all inputs still available or did you try to double spend one? Is your client completely synced, when you try to broadcast the transaction?

Quote
OP_RETURN 6f6d6e69000000000000001f000000002faf0800 OP_EQUAL

No need for the OP_EQUAL

Quote
Maybe I need a non-standard allowing node?

Omni transactions are standard. The only website still not considering OP_RETURN as standard script is blockchain.info. So be aware about this.

Here is a link to create simple send transactions with Omni Core:

https://github.com/OmniLayer/omnicore/wiki/Use-the-raw-transaction-API-to-create-a-Simple-Send-transaction

If you manage to follow these steps, you just have to figure out how to sign the transaction. To do so, you could probably import all keys into Omni/Bitcoin Core and then use `signrawtransaction`.
2  Bitcoin / Project Development / Re: Coin Sweeper - Redeem your multisig outputs on: October 07, 2017, 02:13:08 PM
Sorry for bumping this old thread, buy it seems that this guide doesn't work anymore, tried to sign various tx from omni and counterparty , tried various services to sign and broadcast , even qt..
getting "There was an error decoding your transaction! Check what you entered!" error on https://blockr.io/tx/push
and "16: mandatory-script-verify-flag-failed (Public key is neither compressed or uncompressed) (code -26)"  on bitcoin-qt

Any idea how to solve this would help.
Thanks

Some transactions from Counterparty were created with invalid public keys and are no longer redeemable.

See also: https://github.com/bitcoin/bitcoin/issues/5939
3  Bitcoin / Bitcoin Discussion / Re: Bitcoin puzzle transaction ~32 BTC prize to who solves it on: September 18, 2016, 08:45:02 AM
Related:

https://rya.nc/forensic-bitcoin-cracking.html
4  Alternate cryptocurrencies / Altcoin Discussion / Re: Beware of IOTA Main Developers on: September 05, 2016, 12:28:22 PM
2016-06-20 couldn't he find a better one?  Grin

Sorry, just to clarify: the transaction indeed confirmed on 2016-08-29.
5  Alternate cryptocurrencies / Altcoin Discussion / Re: Beware of IOTA Main Developers on: September 02, 2016, 11:19:26 AM
Hey guys!

I will show the screenshots with the scammer including his Bitcoin Address to a bitcointalk.org moderator

While I'm not a moderator, I reached out to yumei and asked, whether he wants to show me the transaction hash in private. He then send me an archive link of Slack, which I couldn't check out, as well as a transaction hash. The transaction confirmed on 2016-06-20 and it shows the movement of 10 BTC.

I asked yumei to sign a message with the key used to sign the transaction input, and I asked when the alleged trade took place, because the conversation he posted showed a link to a release on GitHub, which was released only four days ago. I'm still waiting for a response.

edit: for some reason the timestamp on blockchain.info now shows 2016-08-29. I haven't checked it with Bitcoin Core earlier..
6  Economy / Services / Re: [WTB] Teach me to manually create an OP_RETURN tx on: August 31, 2016, 08:39:38 PM
I have a problem trying to decode the data back
Is there any way I can see the data I added while creating raw transaction without using this website?  --> https://live.blockcypher.com/btc/tx/b394e47f8141f725f25854d57e91fb67d91782dbe581b2f449990ba25a116d2d/

In Bitcoin Core, you can use:

Code:
bitcoin-cli getrawtransaction <txid> 1

However, the data then isn't shown isolated, but embedded in an output script. And since it's hex, you may also need to decode it.



By the way, thanks a lot for the one sending 0.0518131 BTC to my tip address posted in this thread! Smiley

https://live.blockcypher.com/btc/tx/d73a543383bcfe62fa86e8624f06a1fdcafd3a1018a9c3feb709318b1c60e7fd/
7  Alternate cryptocurrencies / Announcements (Altcoins) / Re: The Official Mastercoin Foundation, Master Protocol & Mastercoin Thread on: August 12, 2016, 02:17:48 PM
Trading tokens for tokens on the distributed exchange via Omni Wallet is basically around there corner, and currently in the works. Smiley
8  Economy / Games and rounds / Re: 1000 BTC GIVEAWAY! From your friend rekcahxfb on: August 03, 2016, 07:11:50 PM
1LPnppq2VsyfRwHhctiPBbcD1CPtPAWZSb
9  Economy / Collectibles / Re: [39/100] "What is Bitcoin?" silkscreened posters [UPDATED DESIGN FOR 2016] on: March 27, 2016, 12:09:20 AM
I take one. Grin

Payment and shipping information sent via PM.
10  Economy / Exchanges / Re: 2015 Bitcoin Debit Card Reviews on: February 18, 2016, 12:17:15 PM
Almost all purchases I made were through PayPal, and for what it's worth: the other pure card purchases went through without issues.

Paypal's currency conversion rates are a rip off  Angry

Maybe, but it's better than going the even longer route XXX -PayPal conversion-> GIP -Xapo conversion-> EUR.
11  Economy / Exchanges / Re: 2015 Bitcoin Debit Card Reviews on: February 18, 2016, 11:48:35 AM
Just to provide an update regarding the odd conversion from XX -> GIP -> EUR:

I got in contact with the PayPal support and they changed the target currency in their system to EUR, so every purchase made via PayPal is going to be pulled in EUR.

can you please mention which site you're using so far that can accept this xapo debit card because i'm currently using ecoin and some site doesn't seems work while i'm trying to make a purchase on their merchant so i think xapo debit card will gimme different advantages

Almost all purchases I made were through PayPal, and for what it's worth: the other pure card purchases went through without issues.
12  Alternate cryptocurrencies / Announcements (Altcoins) / Re: The Official Mastercoin Foundation, Master Protocol & Mastercoin Thread on: February 16, 2016, 10:21:48 AM
I need help.   REWARD  !

In my early days of cryptos, I accepted an offer from (MSC?) to put some bitcoin on an "MaidsafeCoin" address. The idea was, as far as I remember, that I should get back my bitcoins and some "MSC" or whatever coins...

Does anyone here know what I'm talking about?
Somewhere I should have a good bunch of coins which I never touched.

If you can help me getting them, you will be rewarded.


(..last time I got help at bitcointalk, to fix a bitcoin wallet, I payed 300.-$ to the guy, as promised)

Hi there,

do you remember which address you used? If so, check out http://omnichest.info/ and submit the address to see, whether it has a balance.
13  Alternate cryptocurrencies / Announcements (Altcoins) / Re: The Official Mastercoin Foundation, Master Protocol & Mastercoin Thread on: January 16, 2016, 12:01:03 PM
Omni Core upgrade notice

In roughly a week Master Core 0.0.9 will not be in consensus with Omni Core 0.0.10 anymore.

The following consensus breaking features are going live with block 394500 and 395000:


Please upgrade your client as soon as possible.

Downloads:

You can download Omni Core v0.0.10 here:

Windows

https://bintray.com/artifact/download/omni/OmniBinaries/omnicore-0.0.10.0-rel-win64-setup.exe
https://bintray.com/artifact/download/omni/OmniBinaries/omnicore-0.0.10.0-rel-win64.zip
https://bintray.com/artifact/download/omni/OmniBinaries/omnicore-0.0.10.0-rel-win32-setup.exe
https://bintray.com/artifact/download/omni/OmniBinaries/omnicore-0.0.10.0-rel-win32.zip

OS X

https://bintray.com/artifact/download/omni/OmniBinaries/omnicore-0.0.10.0-rel-osx64.tar.gz
https://bintray.com/artifact/download/omni/OmniBinaries/omnicore-0.0.10.0-rel-osx-unsigned.dmg

Linux

https://bintray.com/artifact/download/omni/OmniBinaries/omnicore-0.0.10.0-rel-linux64.tar.gz
https://bintray.com/artifact/download/omni/OmniBinaries/omnicore-0.0.10.0-rel-linux32.tar.gz
14  Economy / Exchanges / Re: 2015 Bitcoin Debit Card Reviews on: January 08, 2016, 08:23:53 PM
As far as i know Xapo and E-coin use the same bank issuer so there are really unnecessary fees as you said, thanks for sharing with us your experience with xapo, but could you see the exchange rate was it the same as in coinbase or coindesk price or even there they took additional fees?

Thanks for mentioning this.

My first purchase had no, or a very small premium, the second one was actually off by 7-8 EUR compared to Coinbase/Kraken EUR.

They don't show a conversion rate, but one may derive it from the account balance. However, as mentioned, my second purchase still appears to be off.

Here two screenshots, one from the overview, one from a detail view:





I'm going to keep an eye on the exchange rate, but right now the odd currency conversion route even seems to have a greater impact (at least on my first purchase, which came with nearly 8 % premium where I excepted 3 % due to USD -> EUR fees).
15  Economy / Exchanges / Re: 2015 Bitcoin Debit Card Reviews on: January 08, 2016, 07:55:05 PM
I used a Xapo EUR card for two purchases via PayPal. One was nominated in USD, the other was nominated in EUR.

To my surprise both payments were subtracted from the card in Gibraltar pound, so the conversion routes were USD -> GIP -> EUR and EUR -> GIP -> EUR in the second purchase, which introduced seemingly unnecessary fees.

It's unclear to me why this happened and if there is anything I can do to avoid it in the future. Right now my suspicion is that the Xapo debit card somehow indicates GIP is the target currency, which is then picked up by PayPal, but this is just a guess based on the fact that my credit card, which was issued where I live, works just fine with EUR via PP without odd conversions.
16  Alternate cryptocurrencies / Announcements (Altcoins) / Re: The Official Mastercoin Foundation, Master Protocol & Mastercoin Thread on: January 05, 2016, 11:07:10 PM
So mastercoin  became omni right ?

maidsafe will be seen like it is in the omniwallet ? will try to send some on that luxurious new wallet

Yes.

And as a related note: the redesign of Omni Wallet is almost done and currently being tested under https://staging.omniwallet.org/. Smiley
17  Alternate cryptocurrencies / Announcements (Altcoins) / Re: The Official Mastercoin Foundation, Master Protocol & Mastercoin Thread on: December 12, 2015, 08:01:50 PM
Hi all!

Omni Core v0.0.10 has been released

This version can be used in production environments, and an upgrade is mandatory.

If you are running a release candidate, then an upgrade is also recommended, as the final release includes minor UI fixes, and tweaked the transaction fee estimation.

A couple of blog posts and the rebranding/redesign of Omni Wallet and Omni Chest will follow in the next days.

Release notes:

To view the release notes and upgrade instructions in your browser with all details, please visit:

https://github.com/OmniLayer/omnicore/blob/omnicore-0.0.10/src/omnicore/doc/release-notes.md

Downloads:

You can download Omni Core v0.0.10 here:

Windows

https://bintray.com/artifact/download/omni/OmniBinaries/omnicore-0.0.10.0-rel-win64-setup.exe
https://bintray.com/artifact/download/omni/OmniBinaries/omnicore-0.0.10.0-rel-win64.zip
https://bintray.com/artifact/download/omni/OmniBinaries/omnicore-0.0.10.0-rel-win32-setup.exe
https://bintray.com/artifact/download/omni/OmniBinaries/omnicore-0.0.10.0-rel-win32.zip

OS X

https://bintray.com/artifact/download/omni/OmniBinaries/omnicore-0.0.10.0-rel-osx64.tar.gz
https://bintray.com/artifact/download/omni/OmniBinaries/omnicore-0.0.10.0-rel-osx-unsigned.dmg

Linux

https://bintray.com/artifact/download/omni/OmniBinaries/omnicore-0.0.10.0-rel-linux64.tar.gz
https://bintray.com/artifact/download/omni/OmniBinaries/omnicore-0.0.10.0-rel-linux32.tar.gz
18  Bitcoin / Legal / Re: labcoin lawsuit on: December 11, 2015, 11:36:10 PM
Code:
Oct 15 21:56:32 site-01 www: 618909 151.18.130.42 btct.co /login u:labcoin2 [IT] - user logged in
Oct 16 00:10:14 site-01 www: 613710 151.18.130.42 btct.co /logout u:labcoin2 - user logged out
Oct 16 13:36:23 site-01 www: 628180 151.46.143.39 btct.co /login u:labcoin2 [IT] - user logged in

Interesting. Unfortunally I no longer have the logs on my server (I droped the DB :S), but they were quoted in the LCSH forum.

Back then I sent the user labcoin tracking pixels via PM and these IP match, therefore we can assume the user controlling labcoin also controlled the BTC-TC account.

edit:

Code:
1ovYFPS1HiGFMQVTB3vuWtnEpGvRxZ6H7

Thanks for this confirmation also. We assumed this was the address related to Labcoin.
19  Economy / Services / Re: [WTB] Teach me to manually create an OP_RETURN tx on: December 10, 2015, 03:26:12 PM
So instead of entering a receiving address and an amount one would enter '{"data":40_bytes}' ?

Yes, basically it comes down to this. Smiley

Here is an example:

1. First, I list unspent outputs of the address I'm going to use.

Code:
bitcoin-cli listunspent 0 999999 '["1BxtgEa8UcrMzVZaW32zVyJh4Sg4KGFzxA"]'

Code:
[
  {
    "txid": "7425deeaebc2b13ff6c6d3cac78332693c86f46433403f65aef028bc88050583",
    "vout": 4,
    "address": "1BxtgEa8UcrMzVZaW32zVyJh4Sg4KGFzxA",
    "account": "Sender15",
    "scriptPubKey": "76a914784345e76ea29fd7bfe31f6f34622e154d0bb8fc88ac",
    "amount": 0.00110691,
    "confirmations": 558,
    "spendable": true
  }
]

2. Then I create the raw transaction. Note that I manually add a change output with a value of 0.00100691, so I pay a fee of exactly 0.0001 BTC. The payload for this transaction is the hex-encoded message "dexX7 @ bitcointalk.org".

Code:
bitcoin-cli createrawtransaction '[{"txid":"7425deeaebc2b13ff6c6d3cac78332693c86f46433403f65aef028bc88050583","vout":4}]' '{"data":"6465785837204020626974636f696e74616c6b2e6f7267","1BxtgEa8UcrMzVZaW32zVyJh4Sg4KGFzxA":0.00100691}'

Code:
010000000183050588bc28f0ae653f403364f4863c693283c7cad3c6f63fb1c2ebeade25740400000000ffffffff020000000000000000196a176465785837204020626974636f696e74616c6b2e6f726753890100000000001976a914784345e76ea29fd7bfe31f6f34622e154d0bb8fc88ac00000000

3. Then I sign the raw transaction.

Code:
bitcoin-cli signrawtransaction 010000000183050588bc28f0ae653f403364f4863c693283c7cad3c6f63fb1c2ebeade25740400000000ffffffff020000000000000000196a176465785837204020626974636f696e74616c6b2e6f726753890100000000001976a914784345e76ea29fd7bfe31f6f34622e154d0bb8fc88ac00000000

Code:
{
  "hex": "010000000183050588bc28f0ae653f403364f4863c693283c7cad3c6f63fb1c2ebeade2574040000006a47304402206eaf4d9c526a59bc391329dd62b6231035920ed23ba758a4d9b02d7738c0a77b0220404f00253e7d0202e64a7a8288dc83276218b91454d45ab618408f27b7135ba7012103c86e3c49a99dd688c6c6ad05d725b6a04ef19836b13d3e90ef282fc4f2f9ee71ffffffff020000000000000000196a176465785837204020626974636f696e74616c6b2e6f726753890100000000001976a914784345e76ea29fd7bfe31f6f34622e154d0bb8fc88ac00000000",
  "complete": true
}

4. And finally I broadcast the signed raw transaction.

Code:
bitcoin-cli sendrawtransaction 010000000183050588bc28f0ae653f403364f4863c693283c7cad3c6f63fb1c2ebeade2574040000006a47304402206eaf4d9c526a59bc391329dd62b6231035920ed23ba758a4d9b02d7738c0a77b0220404f00253e7d0202e64a7a8288dc83276218b91454d45ab618408f27b7135ba7012103c86e3c49a99dd688c6c6ad05d725b6a04ef19836b13d3e90ef282fc4f2f9ee71ffffffff020000000000000000196a176465785837204020626974636f696e74616c6b2e6f726753890100000000001976a914784345e76ea29fd7bfe31f6f34622e154d0bb8fc88ac00000000

Code:
b394e47f8141f725f25854d57e91fb67d91782dbe581b2f449990ba25a116d2d

5. Here is the result:

https://live.blockcypher.com/btc/tx/b394e47f8141f725f25854d57e91fb67d91782dbe581b2f449990ba25a116d2d/

Wink
20  Alternate cryptocurrencies / Announcements (Altcoins) / Re: The Official Mastercoin Foundation, Master Protocol & Mastercoin Thread on: November 25, 2015, 12:37:33 PM
Does anyone from the dev team read tickets at zendesk? I created one and been waiting for 4 days for it to be resolved. I can't send funds from the online wallet ("Funds could not be sent: Error preparing transaction: undefined").
Edit: tried to do to it using different browsers with no plug-ings enabled, no luck.

I'm not very familiar with the zendesk process, but I created https://github.com/OmniLayer/omniwallet/issues/1242 to track the issue right at the source level.
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