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Topic: Bridgewalker: euro-denominated wallet for the Bitcoin economy[Now part of Hive!] - page 2. (Read 5381 times)

legendary
Activity: 2184
Merit: 1056
Affordable Physical Bitcoins - Denarium.com
Very interesting idea. If this actually works with low fees and it's possible to get this to work elsewhere with other currencies than the dollar, it could be a killer app for a lot of things.
hero member
Activity: 756
Merit: 522
The model seems incredibly dangerous because of volatility and slippage.
member
Activity: 84
Merit: 10
I've got this installed, put in a small amount of BTC, and all appears good.  I'll be transferring money with someone else tomorrow.
jav
sr. member
Activity: 249
Merit: 251
ONLY 1.5% oh boy. Thats only if you never actually use that $ balance...  if you ever actually transfer that in or out of gox to use is the real world, that % is larger than credit cards will ever be.

Not sure I follow, can you clarify what you mean exactly? The 1.5 % are in and out, so that already includes using it for something, like let's say shopping at bitcoinstore.com . Or are you talking about turning Bridgewalker-USD into actual bills in your hand? Then yes, that will probably require an extra cash out step somewhere with additional fees. And that's a good point - I personally would consider this an interesting benchmark: Person starts with a $20 bill, turns that into Bitcoin, and a couple of weeks later pays some merchant and the merchant has X amount of USD in his pocket at the end. What is the fee for that complete cycle? If the user keeps bitcoins for the couple of weeks there is pretty much no telling what he ends up with - the market might have moved in his favor or against him. With Bridgewalker that uncertainty is taken out of the equation, for an additional 1.5 %. With fees for acquiring bitcoins and then fees the merchant is paying to convert it back, we probably can not beat credit cards at this point. But I would like to think that we can at some point, if we continue to optimize at all of these points.

jav: are you considering to release the source code at some point?

I might release the Android client as open source at some point, but the server will probably stay closed source for the foreseeable future.

Secondly - this is how to get bitcoin into anyone's hands quickly and easily.  Every friend you've got:  "Install Bridgewalker and I'll send you that twenty...".

My thinking exactly! :-) And regarding that: Transfers between Bridgewalker users are instantaneous and free.

I advise you to support multiple exchanges as soon as possible.

It's mostly a question of liquidity. If market spread is very large all of the time, you end up not getting the best price when moving in and out of Bitcoin which can increase that "round trip fee" quite a bit. That's why I started out with Mt.Gox USD market which is quite liquid. I would like to offer a Euro version in the near future.

What about currency conversion?  What if I have two accounts with Gox; one in dollars and one in Francs, and I want to settle up with a Frenchman?  Can I send my dollars to your server and have them come out as Francs on the other person's phone?

At the moment your Bridgewalker account will always be denominated in USD, you can not change that. But in theory there could be a separate Euro version of Bridgewalker (and hopefully will be at some point) and then you could definitely exchange money between the two. It would use Bitcoin as the middle man: Bridgewalker-USD -> BTC -> Bridgewalker-EUR.

And get your server/servers somewhere other than the US...

The Bridgewalker server is currently hosted in Germany.
sr. member
Activity: 448
Merit: 251
Bitcoin
Only in the Bitcoin world would this:
You solved the problem


I think he did.

Turn into this:

I advise you to support multiple exchanges as soon as possible.

LOL!  Everyone is trying to protect the guy for solving a problem... this only happens here.  

If he was working with anything else,  made a computer 20% faster,  made his phone battery last 4 times longer,  if he found a way to convert dollars to gold, he'd be a hero (those Gold ATM's made headlines for months).

Instead he figures a way to convert dollars to bitcoins on the fly,  and the advice is to watch his back because the exchanges are going to shut him down.






sr. member
Activity: 407
Merit: 250
This thing is centralized in two places.  Kill the Bridgewalker servers, it dies, kill MtGox, it dies.

member
Activity: 84
Merit: 10
I advise you to support multiple exchanges as soon as possible.

And get your server/servers somewhere other than the US...
legendary
Activity: 1330
Merit: 1000
I advise you to support multiple exchanges as soon as possible.
member
Activity: 84
Merit: 10
You solved the problem


No.  He solved two problems.

Firstly - it brings complete anonymity to bitcoin.  No bank account required - USD are passed around just like cash.  And no Gox account required either, with all of its registration requirements.  With a burner phone paid for with VISA/Master Gift Cards (a phone with a removable battery), it's untraceable.

Eventually you get out your bitcoin to a fresh wallet - or send USD to someone who will hand you the cash.

Secondly - this is how to get bitcoin into anyone's hands quickly and easily.  Every friend you've got:  "Install Bridgewalker and I'll send you that twenty...".  Or:  "...and I'll pay you for that car".  EU cash restrictions are irrelevant, once this is enabled for Euros.

This is awesome.
member
Activity: 84
Merit: 10
sr. member
Activity: 448
Merit: 251
Bitcoin
member
Activity: 84
Merit: 10
Fascinating.

Now - since you're using Gox...

What about currency conversion?  What if I have two accounts with Gox; one in dollars and one in Francs, and I want to settle up with a Frenchman?  Can I send my dollars to your server and have them come out as Francs on the other person's phone?

When can I do that?

And should it cost any extra, or will there be some kind of conversion vigorish?

Inquiring minds want to know...

EDIT:  Should I even need a Gox account in Francs to send Francs with my dollars?  Shouldn't a proper Bridgewalker/Gox interface be able to take care of that?

EDIT #2:  Euros.  Heh.  Old habits die hard...
full member
Activity: 182
Merit: 100
1Kgyk4nQSzb3Pm9E9vWiGVyJ6jpPwripKf
This Is exactley what bitcoin needs to go into mainstream. I have been putting steps in place to develop a similar app for Australian users. Bitcoin needs people to be forward thinkers like this to push it along.   
hero member
Activity: 742
Merit: 500

The URI link does not work at the moment, I haven't looked into where exactly I need to hook into there. But I definitely plan to support that! I'll let you know, when an update is available.


Awesome!  see what is required to register the bitcoin: protocol in AndroidOS.  BitcoinSpinner and the Andreas Wallet both support this, so the client source code should be able to tell you how its done.
legendary
Activity: 3108
Merit: 1531
yes
This is pay pal without high fees. Very clever.
sr. member
Activity: 532
Merit: 261
­バカ
Payment vehicle rather than speculative instrument this I believe is what btc should be.   Grin
I was just going to say the same Smiley

jav: are you considering to release the source code at some point?
jav
sr. member
Activity: 249
Merit: 251
FAN-TAS-TIC  Smiley

Glad you like it! :-) .. I agree with some of the points you make! Although personally I would rather see something like Bridgewalker becoming obsolete in the long run and - as the Bitcoin economy matures - things moving completely over into BTC. If only for efficiency reasons (avoid constant currency exchange). But at the moment that's simply not practical and probably will not be for quite some time. The popularity of payment processors like BitPay show, that at this point it is necessary to peg prices to USD because there is just too much volatility. And that's fine. This tool aims to bring the same concept to the customer side. Where merchants accept BTC and end up with USD, customers can use Bridgewalker to hold USD and pay in the form of Bitcoin transactions. The important point is, that Bitcoin is the neutral interface between them.

1.  on the phones web browser go here and click on the URI link in the first section.

http://lovebitcoins.org/developers.html

does it open your wallet app and pre-compose a send bitcoins transaction with the address and amount filled in?  and then wait for the "send" button to be pressed?

2.  use your app to scan the QR code in the second section. does it also bring in the address and amount?

Scanning the QR code works! I support both things like "bitcoin:1asdf?amount=0.123" as well as the "broken" variant with "bitcoin://1asdf"

The URI link does not work at the moment, I haven't looked into where exactly I need to hook into there. But I definitely plan to support that! I'll let you know, when an update is available.

But what about trust? Namely, who does the user have to trust?

I skimmed the website, and it wasn't clear to me what happens when an account is created. Is this an account with the Bridgewalker service? Or with Mt. Gox? Do you have access to the bitcoin transactions involved in using this app? What about the Mt. Gox accounts used?

Aw, yes, I should put more details about that on the site. The account is with Bridgewalker and all Bitcoin transactions are going to and from Bridgewalker's Bitcoin daemon. Bridgewalker in turn has then one single account with Mt.Gox and transfers bitcoins between it's own wallet and the account at Mt.Gox to do the trading. The end result is, that most user funds end up in Bridgewalker's Mt.Gox account in the form of USD. So you need to trust that a) Mt.Gox keeps their user accounts safe in general and b) I keep the access to Bridgewalker's Mt.Gox account in particular safe. Only a small amount of funds are in BTC at any time, basically just a small hot wallet to be able to send out transactions quickly.

I'll answer more questions later, as I will be away from the computer for a few hours. Thanks for all the feedback so far!
legendary
Activity: 1096
Merit: 1067
Payment vehicle rather than speculative instrument this I believe is what btc should be.   Grin
sr. member
Activity: 277
Merit: 250
ONLY 1.5% oh boy. Thats only if you never actually use that $ balance...  if you ever actually transfer that in or out of gox to use is the real world, that % is larger than credit cards will ever be.
legendary
Activity: 1008
Merit: 1000
Super creative idea. I love it.
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