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581  Bitcoin / Project Development / SeeKoin - A Bitcoin/Blockchain and crypto search engine on: February 12, 2017, 04:31:06 PM
Hello,

After almost one year of hard coding, I want to introduce to you the result of my huge efforts: SeeKoin, a new Bitcoin search engine.

SeeKoin crawls the Internet and harvest the pages only related to Bitcoin, Blockchain and some other cryptocurrencies.

But SeeKoin behaviour differs from the other search engines: it doesn't crawl random pages but try to index the information according to the requests done by the  users. Thus, I am not the one deciding what should go to the SeeKoin index, but you are, most of the time. Of course, only Bitcoin and similar crypto technologies pages will be indexed.

SeeKoin has lots of indexing capabilities, and doesn't rely on other search engines API: it has its own features and its own spider bot, a mysterious program called "Bobo". When you will be using SeeKoin, you will see web pages are not the only item Bobo can index. You may have some good surprises using specific requests ...

I would not consider SeeKoin totally completed: there may be some remaining issues and bugs. I would like to have your comments to improve this program and why not building together something very useful for the Bitcoin community, one of the most valuable one I have ever met. I will be opened to your requests.

Coding a search engine is not a simple job, but for sure a real good experience.

Have a nice day.
Warren.
582  Bitcoin / Electrum / Re: Can't transfert to offline wallet on: October 17, 2016, 06:58:52 PM
Sorry, I'm still having an issue: I can't sign a transaction on the offline wallet: Electrum is trying to reach a server and fail saying

"Server did not answer"

EDIT: Just find a workaround: start electrum using --offline argument.

Regards


583  Bitcoin / Electrum / Re: Can't transfert to offline wallet on: October 16, 2016, 08:11:00 PM
Sorry, I just understood the issue: I excepted to be able to display the balance of my offline wallet, which is not possible as explained here.
I realize even after few years in the Bitcoin, I didn't fully understand what is a wallet, shame on me !

By the way, thanks for the hand  Wink
584  Bitcoin / Electrum / Re: Can't transfert to offline wallet on: October 16, 2016, 07:24:37 PM
You're right, this is making sense and explaining why the transaction failed.
But I tried with another receiving address of the offline wallet, and the amount is always equal to zero even if both address are different. Different but belonging to the same wallet, the offline one.

I think i didn't understand the flow used to fund the offline wallet.

From online, let(s say an exchanger for instance, I am supposed to send to one of the offline addresses; the coins are then forwarded to the watch-only wallet. From this one, I create an unsigned transaction using another offline address. This transaction will be signed by the air-gapped host and broadcasted once I upload it to the online host.

Is that right or am I missing something ?


585  Bitcoin / Electrum / Re: Can't transfert to offline wallet on: October 16, 2016, 05:23:48 PM
Hello,

Thanks for the reply, but I'm almost sure there is a bug. Have a look:


After pressing "preview", the amount disappeared !


586  Bitcoin / Electrum / Can't transfert to offline wallet on: October 16, 2016, 09:41:03 AM
Hello,

I created an offline wallet as explained in the Electrum documentation.
From my online PC, I imported my public key creating a watch-only wallet. Got the warning message telling me I can't spend coins from it.
I sent some coins to my offline address from another client. After a while, the transaction appeared in the watch-only wallet.
Tried to create an unsigned transaction from the send menu, set offline address as destination, hit "preview", coz I couldn't find the "send button".
The transaction data don't seem to be reliable as the amount is set to "0" although I entered the right amount.
Tried to transfert it to the air-gapped host and of course failed, trying to sign the transaction and calling a remote server.
What am I missing ? Where is this bloody "send button" ? I use 2.7.8 release.

Thanks for helping me.

Regards
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