Hello, I have a pretty interesting and novel idea for a crypto currency, geolocation based application. I have a prototype website operational right now that only deals with bitcoins. Essentially its a platform where anyone can give and take coins based on their geolocation. A user can use the web platform to manage their account and drop coins. They then pair their mobile device and use the mobile app to pick up coins! This will allow people to drop crypto all over the world via a map and then anyone can pick it up. This will allow people to give crypto to people they don't even know. There are many reason why people would drop crypto on a map to direct people to certain locations. Now that I have an operational prototype working, I would like to to try it out and let me know what they think. Keep in mind this is a rough draft version of the code.

My proof of concept site is at www.geobitz.com

if you would like the iOS mobile app please PM so I can add you to the testflight distro.

I am looking for another enthusiastic partner(s) to help me take this to the next level, such as supporting other coins and making the platform robust and secure. Also the mobile app right now is only working for iOS and need an android equivalent Please leave me some comments.
Please reply back with any comments or suggestions. Thanks!

Hello! I am currently using the blockchain.info API in order to get certain information about an address, confirmations, txids, etc. I would not like to rely on blockchain.info's API, I would like to use the local bitcoind client I am running on Ubuntu 12.04 in order to query public key addresses. It seems I can only query addresses that have been used in my wallet. Is there anyway I can search the local blockchain data on my machine in order to stop using the public API? How is blockchain doing this? Thanks for any help or pointers.

How does one go about checking the number of confirmations for a given transaction id? One that is external to the local wallet.dat file. Can this be done with bitcoind or will I have to use an API or something else?

Is this correct for a given txid?

block-included = 295503
block-now = 295504

confirmations = block-now - block-included = 295504 - 295503 = 1

Thanks for the help guys, this is how I upgraded bitcoind...

You can download the latest version here: https://bitcoin.org/en/download You simply stop the old version, replace the binary, and restart again.

then I followed the other updates. Now I just need to regenerated my https keys.

Thanks!

{
    "version" : 90100,
    "protocolversion" : 70002,
    "walletversion" : 60000,
    "balance" : xxxxxxxxxx,
    "blocks" : 295432,
    "timeoffset" : 2,
    "connections" : 8,
    "proxy" : "",
    "difficulty" : 6119726089.12814713,
    "testnet" : false,
    "keypoololdest" : 1397234124,
    "keypoolsize" : 101,
    "paytxfee" : 0.00000000,
    "unlocked_until" : 0,
    "errors" : ""
}

Note, only the 32-bit binary worked for me, even though I have a 64-bit OS and hardware.

Here the deal, I am running the command line bitcoind server. Here is my getinfo,

{
    "version" : 90000,
    "protocolversion" : 70002,
    "walletversion" : 60000,
    "balance" : xxxxxxxxx,
    "blocks" : 295291,
    "timeoffset" : 0,
    "connections" : 1,
    "proxy" : "",
    "difficulty" : 6119726089.12814713,
    "testnet" : false,
    "keypoololdest" : 1397234124,
    "keypoolsize" : 101,
    "paytxfee" : 0.00000000,
    "unlocked_until" : 0,
    "errors" : "URGENT: Upgrade required: see https://www.bitcoin.org/heartbleed"
}

Simple question, how to I update from version 90000 to the newer patched version.

Thanks.

Thanks for the reply. Before I change my importing scheme, do you have a rough estimate of the import speed increase using pywallet. If it takes 8-10 minutes using bitcoind, do you have a rough estimate of how long it will take for pywallet... 5 minutes? Also, if I stay using bitcoind, can I upgrade my hardware to increase speed? Thanks again!

Hello, I have running bitcoind on Ubuntu 12.04 LTS with dual core AMD 3.6 GHz. When I import a private key its takes roughly 8-10 minutes for it to finish. What is limiting this speed, CPU? If I were to purchases a top of the line Intel i7 say, could I reduce that time it takes to import? Any other suggestions to increase this speed?

Also, how many private keys can a bitcoin server wallet safely handle before possibly becoming unstable?

I am using a bulk wallet generator to pre-generate lots of public/private key pairs. I import the corresponding private keys when the funds are needed. Eventually there could be thousands of imported private keys.

Thanks for all the help.

Hello everyone, I have installed coinpunk and have it running on Ubuntu Linux 12.04. The node starts fine and everything looks great. Now that I have it up an running, I would like to connect to my mysql server once the user creates a new wallet. I would like to send back to the database the user wallet email. In the future i would like to gather other non-bitcoin related data and send back to server.

I am having a a difficult time accomplishing this. Can anyone here point me in the right direction? Also, will this lead to any security issues in coinpunk as I want to leave the user in full control of the coins and not the server. Thanks a lot.

Hello everybody. I am thinking about what it would take to develop a website where users can deposit bitcoin and set send transactions on various timers. For example, I sign up, deposit btc, use that btc to setup multiple send transactions that will send to the addresses at the appropriate future times. If the user wants to cancel the transactions, they can, or if they want add more, that's also possible.

I am asking the community here for some quick advice in terms of the most efficient, easy and secure way to do this in terms of programming that back and front end interfaces. Should I take something like coinpunk which is based on node.js and is secure and the server can't modify the wallet data. Should I use the bitcoind on ubuntu and build a PHP based website to interface with the wallet? I really like coinpunk and think modifying that code and including my additions might be best. Thought?

If you can throw out some advice and point me in the right direction that would be great. Thanks!