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1  Economy / Web Wallets / Independently Generating Your Private Key for Coinkite on: October 08, 2015, 08:50:39 PM
We just published an article about using a multi-signature wallet with Coinkite where one of the keys are generated by you on your side. It is available here.

wslh
2  Bitcoin / Project Development / [ANN] Scalable Multi-Signature Web Wallets With BitPay's Copay on: April 16, 2015, 08:08:14 PM
We just published an article with code modifying BitPay's Copay to use its multi-sig wallets on a server. We consolidated the connections established by different wallets into a single one for communicating with other copayers.

3  Bitcoin / Bitcoin Technical Support / Re: Any chance to generate multiple Addresses? on: April 02, 2015, 10:15:21 PM
If you are using bitcoind the getnewaddress command returns you a new one.

If you want to speed up this process you can pregenerate addresses using keypool in the bitcoin.conf or passing the keypool option to bitcoind with the number of addresses to be pregenerated.
4  Bitcoin / Project Development / Re: [ANN] Multiple Online Bitcoin Wallets Using Copay on: March 21, 2015, 04:26:08 PM
I am beta tester of Copay iOS wallet. I really like the GUI and all but IMHO you should remove registering an account.

My rating: 80/100. Can increase if you add more technical features. Smiley

The point of this code modification is to run Copay on a server and handle wallets there. If you try to do this only with Copay the solution will not scale because the number of connections to the Insight server depend on the number of wallets being used.
5  Bitcoin / Development & Technical Discussion / Re: Best way to handle multiple accounts (like a bank)? on: March 21, 2015, 12:50:32 PM
I just published a way to do this using Copay.

I hope it helps.
6  Bitcoin / Project Development / [ANN] Multiple Online Bitcoin Wallets Using Copay on: March 21, 2015, 12:28:20 PM
Hi,

We just published a blog post about using Copay on a server to host multiple wallets and have them updated. This is useful if you like to implement multiple online wallets hosted on a server like BitGo. The github fork is here. The current version supports only 1-1 wallets but soon we will update the project to support multi-signature wallets and communicating them using the Insight mailbox plugin. Currently, every Copay wallet establishes a connection to the Insight server so it's difficult to scale if you have all the wallets in a server.

Hope it helps,
wslh

7  Bitcoin / Development & Technical Discussion / How to connect bitcoinjs-lib with bitcoind? on: December 31, 2014, 07:06:08 PM
I can't see any reference on connecting bitcoinjs-lib / bip32-wallet with the bitcoin core, only examples using helloblock.io via a blockchain api that uses a third party service.

Do you know of any ~complete example?

Thanks
wslh
8  Bitcoin / Development & Technical Discussion / Re: Best way to handle multiple accounts (like a bank)? on: December 16, 2014, 11:05:34 PM
If you don't know what you are doing
To make this solid advice more useful, I'll add... How do you know when you don't know what you're doing?  If you think you know what you're doing thats a strong indicator that you don't.

I always have someone in my team that knows what he is doing. Anyway, the main question was about a bitcoin implementation that can handle multiple accounts.

I wonder why nobody suggested Copay, BitcoinJS-Lib, or a fork of BTCWallet handling multiple accounts.
9  Bitcoin / Development & Technical Discussion / Best way to handle multiple accounts (like a bank)? on: November 25, 2014, 06:23:02 PM
I am developing a virtual bank using bitcoins using the reference client multiple accounts capability. My main concern is scaling it to hundreds of thousands of accounts and transactions fired all the time.

What are other alternatives to this approach? I read that using multiple address assigned to different users is one way to handle it but would like to hear your opinion about other alternatives.

Thanks,
wslh
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