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1  Bitcoin / Development & Technical Discussion / Overblock.dev - Starblocks clone, but open source on: September 13, 2020, 05:32:33 PM
I'd like to share a side project that I've been working on for a bit: https://www.overblock.dev

This website lets you buy fake items using the Lightning network on testnet. You could do this to test your Lightning wallet, or to give yourself some inbound liquidity on the testnet Lightning network while developing.

These were some of my goals for the project:
- Gain familiarity setting up Bitcoin and Lightning nodes
- Write a ground-up project using microservices and containers
- Build a Lightning reference app for myself, so that if/when I want to make something real, I'll have an existing project to use as a guide
- Successfully deploy such a project to a cloud environment (in this case, Google Cloud)
- Open source the project with guides so that others can use it as a resource, too

To interact with the site you need a testnet Lightning wallet. Acinq has Eclair Mobile Testnet available in the Play store on Android. You can use a testnet faucet to get some coins in this wallet, and then play with the site.

You can find the source code here: https://github.com/cilphex/overblock
2  Economy / Speculation / Growth is slowing on: May 31, 2013, 06:58:00 PM


We have fallen below regular logarithmic growth.  What do you think?
3  Bitcoin / Project Development / What's the proper format for embedding addresses and keys in QR codes? on: May 27, 2013, 05:46:40 PM
E.g., if you have a public address that is XYZ, do you have the QR code data read as "XYZ" or something like "bitcoin:XYZ"?

I've seen it done both ways and I don't know if there is an actual standard for this or what.  I guess I want to know which kind is more widespread so I can make something more universally compatible.
4  Bitcoin / Project Development / Regular expression for private key base 58? on: May 24, 2013, 03:20:16 AM
I'm writing a bitcoin app and would like to validate addresses somehow.  I found this regex for public addresses:

/^[13n][1-9A-Za-z][^OIl]{20,40}/

But I'm looking for one for base 58 private keys as well.  (Base 58 is the import format right?)

I don't know a lot about the rules for these keys/addresses.  If I did I'd just write the regexes myself.  Any help is much appreciated.
5  Economy / Gambling / [ANN] BitChicken - The new social Bitcoin game on: April 30, 2013, 08:40:38 PM
Hey everyone.  I'm not well known on the forums here but I've got a new service to announce, and I hope you'll all lend me your ears.  Or eyes.  Or sensing instrument of choice.

I am very happy to announce the launch of a new, fun Bitcoin game called BitChicken.  You can check it out here:

https://www.bitchicken.com

The Game



There is a very fun game you can play right now with people immediately around you.  We call it Chicken.  Everyone picks a number, and the person who wins is the person whose number is closest to 1.25 times the average of everyone's number.

It's fun because you're not placing a random bet against an algorithm, you're trying to guess what everybody else will do.  At the same time, they're estimating what you will do.  So the reverb is endless; you're estimating them estimating you estimating them estimating you...  And on top of that, your own guess affects the average.

We love to play this game as a fun psychological exercise.  We thought it would be even more fun to turn it into a real game that anyone can play using bitcoins.

In our version, your guess is placed with a bitcoin transaction.  The person whose amount is closest to 1.25 times the average of all the wagers, collects all of them as a prize.  The chicken takes 1.9%, and the losers receive receipts in the form of a fraction of the remaining 0.1%.

Anonymous and Instant

1) You can play BitChicken without creating an account, just like SatoshiDice

2) It's not like a lottery where you have to wait until the end of the month or end of the day for everything to go through.  The game executes as soon as 5 players enter guesses.  (If you enter a game that doesn't get enough guesses, your coins will be sent back when the game expires.)

Play with strangers or with friends

BitChicken is a public game you play with strangers, but you can also create private games that follow your own unique rules.  In my opinion, private games are the most fun part of the site, because you can play with people you know.

When you create a private game, you can:

1) Choose the number of players (up to 1000)
2) Select a higher minimum bid
3) Set the target (e.g. 1.5 times the average instead of 1.25)

After you create a private game, you share the game url with your friends so they can place bets.  Go check it out, you'll see how it works.  You can anonymously create a private game right now without repercussion; if you don't get people to play, it'll just expire and close.

Chat with other players, pseudonymously

As you'll see in the bottom-right of the site, there is an expandable chat window.  When you open it, you're automatically assigned a randomly generated pseudonym.  This pseudonym will stick with you as you use the site from that same computer.  This way you can maintain a presence to have fun and chat with other users, while still remaining unknown.

Private games have their own chat rooms embedded in them, so you can taunt, tease, psych-out, or otherwise influence other players.  Or say whatever.

At any time, you can hit the refresh button to generate a new random screen name.

Fun

If you don't want to take a 50% chance against an algorithm at SatoshiDice, but would get a real kick out of a high-stakes game directly with another person you know, BitChicken is for you.  Or if you just think you're smarter than everyone else and can best predict what they'll, you'll have a blast.

I'm in

Me and my teammates have played the first few games, but to help jumpstart the service, I will continuously be placing bets in the regular BitChicken game as well as creating private games and inviting players here from the forum to them.  I'd really love to play with you guys, and I'd like to donate a few hundred dollars through these initial games to have that happen.

I may have forgotten some interesting or key information, but if you have any questions, please ask here!  You can find additional helpful information in the FAQ on the BitChicken website.  I may update this post later to include more information.

Quick note #1: Just like SatoshiDice, if the Bitcoin service you're using doesn't provide information necessary for sending back funds, your guess could be lost to the void.  It works perfectly fine with blockchain.info and coinbase, however a guess sent from MtGox was lost while testing.  This seems to be the same as SatoshiDice.

Quick note #2: The site was tested in the most recent versions of Chrome and Firefox (v20), so it should work perfectly well in those.  Anything else might be a little messy, I don't know.

The site: https://www.bitchicken.com

Follow us on twitter: http://twitter.com/TheBitChicken

And finally, please have fun and ask questions / leave comments!

Thanks,

C
6  Economy / Service Discussion / How do you enable two-factor authentication on BitStamp? on: March 28, 2013, 11:50:26 PM
Due to the general shittiness of MtGox I would like to try other exchanges.  BitStamp looks nice, but I won't use a service I can't have 2-factor authentication on.  Right now, setting it up doesn't seem to be working.

I've installed Google Authenitcator and scanned the code from BitStamp's site.   I see an authentication number for <myaccountnumber>@Bitstamp in Authenitcator.  I try to use this as the "verification code" under Account > Settings > Two-Factor Authentication on BitStamp, but it doesn't work.

I've emailed them about this and they haven't responded.
7  Bitcoin / Project Development / Looking for help with a Chrome extension that uses MtGox sockets on: March 25, 2013, 08:50:55 PM
Hey folks, I know there are a few Chrome extensions out there currently that give you the real time exchange rate for bitcoins, but I would like to make my own version, and I'm looking for some help.

It seems that MtGox web sockets are the popular way for getting real time exchange rate data, right?  I'm trying to use the API as described in the bitcoin wiki here (https://en.bitcoin.it/wiki/MtGox/API/Streaming), but I'm having difficulty.

Basically I can only seldom connect, and when I can, it often stops working after a while.  I've also noticed that other extensions are able to continue showing the current exchange rate even when MtGox sockets are down.  Which I guess means they don't use it at all, or fall back to something else.

Tips or resources on how to interface with MtGox's web sockets, or how to otherwise keep an eye on the exchange rate in real time, would be greatly appreciated.  I can share my code as well, if anyone who thinks they may be able to offer help wants to take a look.  Anyone have advice?
8  Bitcoin / Project Development / What's the best API to use to get the current bitcoin price? on: March 23, 2013, 08:03:43 PM
I'm thinking of making a simple Chrome extension that would allow you to easily check the price of bitcoin at any time by simply clicking a button in your browser, instead of having to visit a website.  I'm unfamiliar with any APIs that might currently be out there which would make this possible.  Anyone have a recommendation?
9  Bitcoin / Development & Technical Discussion / If I recently installed bitcoin-qt 0.8, what should I do? on: March 12, 2013, 03:06:25 AM
Due to the recent bug, I heard everyone's recommended to switch back to 0.7.  My qt 0.8 client is currently "Synchronizing with the network."  I want to help bitcoin and not hinder it - so is continuing to run 0.8 a problem?  Should I uninstall it?  Or does it not matter unless I'm mining - which I'm not doing?
10  Bitcoin / Bitcoin Technical Support / Is your password at blockchain.info the same thing as your private key? on: March 09, 2013, 09:32:47 PM
I'm basically trying to learn how this works.

I know that to sort of "access" your bitcoin address (i.e. send money from it) you have to have a private key for it.  And you somehow use this private key when sending money.

Online wallets make this easier by hiding this functionality under buttons.

At blockchain.info, you use a password to sign in.  Is this password the same thing as the private key that is used to send money from your address?  Or is the private key itself encrypted, and then your password is used to decrypt it?

If your password and private key are two separate things, how can I view the actual private key for my bitcoin address?
11  Economy / Trading Discussion / Can someone help me read market depth graphs? on: February 28, 2013, 08:38:56 PM
Hi there, I posted this question in the "wall observer" thread under Economics > Speculation, but I think everybody skipped over it.  Basically, I don't know how to read the market depth graphs in this thread: https://bitcointalk.org/index.php?topic=85687.0, and I'm wondering if anybody can help me out.  I tried googling, but my goog-fu skills aren't good enough because I couldn't really find the answer.

Thanks for helping
12  Economy / Service Discussion / How many btc/month would Coinbase have to sell to become the largest exchange? on: February 28, 2013, 03:11:21 AM
It seems so much easier to use than MtGox, so I'm just wondering.
13  Bitcoin / Bitcoin Technical Support / How can I find a list of transactions involving my wallet address? on: February 25, 2013, 08:51:14 AM
I'm trying to use the blockchain.info api to write some trading logic, and it would depend in part on my transaction history.  Unfortunately it looks like blockchain.info's api doesn't provide a way to get a list of your recent transactions.

But I know this information is publicly accessible in the network, so I'm wondering if anybody would know how to get it.  If I have a wallet address, how would I get a list of recent transactions to/from it?  Is there an alternative API somewhere?  I'm not sure what the possibilities are.

Also wasn't sure which forum to put this in so I thought this fit best.  Thanks for any help.
14  Other / Beginners & Help / BFL Hardware - Basic Questions on: September 10, 2012, 04:05:49 AM
Hi there, I'm new to bitcoin and mining and since I'm a noob I thought I'd post this question here.

Basically I am interested in possibly getting some BFL mining hardware, specifically the ASIC stuff that they currently have on preorder.  But as a noob, I don't know what running them actually entails.

Currently I'm running GUIMiner with my nvidia card.  At about 116 Mh/s, I definitely don't get as nice of a return as people with Radeons (I guess most mining software is optimized for Radeon cards?), but it's definitely easy to use, and I like that.

So I guess what I'd like to know is, if I do get some of the new BFL mining hardware, is it a lot more difficult to use, or should it be relatively easy to set up?  Does it depend on whether your mining coins yourself or if you're part of a pool? (I'm currently in one.)  Does it vary based on your OS? (Currently using Windows 7.)

Thanks a lot for any help.
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