Quote from: secondstrade.com on January 05, 2017, 02:26:01 AM

Quote from: jujugoboom on January 04, 2017, 04:16:07 PM

Quote from: crazybtrade on January 04, 2017, 04:09:07 PM

Quote from: NoobieNoobie on January 03, 2017, 06:26:45 AM

Quote from: secondstrade.com on January 03, 2017, 12:31:22 AM

your transaction is not normal.
the transaction included "Unable to decode output address "

Do not trust blockchain.info. This is very bad blockexplorer.
Transactions are quite standard
https://tradeblock.com/bitcoin/tx/67bcf6fb917dd065c9fa8839feb52f5979ab9d21072c856381b73188c2d79fee
https://tradeblock.com/bitcoin/tx/57fefbfea84402fce3cbb2bd57cc730dcff15143dae5648c561ac58765dd5cf9
Please refund my bets. Do not scam me.

I think that is not double-spend..
blockchain.info show double-spend transaction.

need ask legendary coder here..

You can read about here https://bitcointalk.org/index.php?topic=130392.0
https://counterpartytalk.org/t/worried-about-unable-to-decode-output-address/1828/8

Confiscate players' fund because of bitcoin double spend? DS is very normal. I think OP you should void his winnings, but return his deposit, confiscate his deposit is not cool.

Here is proof that we have been stolen bit coin by Double Spending.
http://Https://tradeblock.com/bitcoin/address/1HTjJ7Ri6LNvbu8GEAeArkFcmTWrb8zqVA

This is an address of our 5Seconds down.
There are a lot of unconfirmed many transactions here, and all such transactions are lost transactions on our site.
They use the method to make confirm that only the winning transaction .

We have been stolen a number of these bit coins in this way, and we are continuing to deal with them.
Transmission of a bitcoin using a normal wallet can never cause double spending.
That's why we can not pay out or re-fund customers who do not use their normal wallets.
However, we are offering refunds and payouts for all customers using normal wallets.

Why not make a deposit website? Betting on blockchain has double spend like you said, you can avoid this situation if you do normal site, but not on-chain betting.