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Red Emerald
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October 13, 2011, 09:38:41 PM
Last edit: October 13, 2011, 09:55:55 PM by Red Emerald |
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This is a great idea.
It would be nice to have a public, pgp-signed list of trusted addresses. Each site that has a green address should at least host their own with some sort of protection from tampering.
EDIT: And ripple sounds awesome! I have been doing this with my roommates with a spreadsheet, but ripple is way cooler.
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brendio
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November 18, 2011, 07:43:26 AM |
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I see a few implementations now of web services offering a green address option for sending bitcoins. But are there currently any that have stated they will accept them? Clearly, the easy step is for web services to offer a green address, because it doesn't involve any risk. The harder step is convincing services to accept green addresses, because that involves a certain amount of trust.
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jav (OP)
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November 18, 2011, 07:51:12 AM |
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I see a few implementations now of web services offering a green address option for sending bitcoins. But are there currently any that have stated they will accept them?
Instawallet will directly accept transactions from green addresses at some point. I am currently reworking the backend to make this easier for me to achieve and also be able to manage the risk (e.g. put a limit on the amount of unconfirmed funds that can be pending at any moment). |
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Red Emerald
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November 19, 2011, 01:15:31 AM |
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I see a few implementations now of web services offering a green address option for sending bitcoins. But are there currently any that have stated they will accept them?
Instawallet will directly accept transactions from green addresses at some point. I am currently reworking the backend to make this easier for me to achieve and also be able to manage the risk (e.g. put a limit on the amount of unconfirmed funds that can be pending at any moment). How will this list of green addresses be populated? |
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jav (OP)
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November 19, 2011, 06:40:49 PM |
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How will this list of green addresses be populated?
For now I will just decide on a case by case basis. I think the Bitcoin community is still small enough that there aren't that many players and those that are interested to get on the list should just get in touch with me. |
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DeepBit
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November 27, 2011, 09:05:00 PM |
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jav, is your PM not working ? :)
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jav (OP)
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November 27, 2011, 09:13:08 PM |
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jav, is your PM not working ?  I think it is (?). The last PM I received from you is from November 26 and I thought I had replied to it. Although I can't find it in my outbox right now - I'll send it again. |
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DeepBit
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November 27, 2011, 09:37:37 PM |
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jav, is your PM not working ? :)
I think it is (?). The last PM I received from you is from November 26 and I thought I had replied to it. Although I can't find it in my outbox right now - I'll send it again. Now I got your answer, thanks. Hope you will support my proposal. |
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mb300sd
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January 03, 2012, 05:13:56 AM |
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Is there a reason instawallet doesn't accept its own green address? It'd be mice if I didn't have to wait 6 confirms if the coins were sent with the green address.
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1D7FJWRzeKa4SLmTznd3JpeNU13L1ErEco
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Red Emerald
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January 03, 2012, 06:24:36 AM |
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Is there a reason instawallet doesn't accept its own green address? It'd be mice if I didn't have to wait 6 confirms if the coins were sent with the green address.
That is a good question. |
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jav (OP)
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January 03, 2012, 04:03:38 PM |
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Is there a reason instawallet doesn't accept its own green address? It'd be mice if I didn't have to wait 6 confirms if the coins were sent with the green address.
The reason is that receiving from green addresses in general is not implemented yet, so it's also not available for this specific address. I want to do this properly, be able to manage the risk and limit the damage if a green address that I accept is compromised for some reason. Unfortunately I currently don't have time to work on it much, as other obligations keep me busy. What are you trying to do though? If you send to another Instawallet without forcing it through the green address the system will be able to do an internal transfer and it will clear instantly. |
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westkybitcoins
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January 03, 2012, 04:59:37 PM |
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Is there a reason instawallet doesn't accept its own green address? It'd be mice if I didn't have to wait 6 confirms if the coins were sent with the green address.
The reason is that receiving from green addresses in general is not implemented yet, so it's also not available for this specific address. I want to do this properly, be able to manage the risk and limit the damage if a green address that I accept is compromised for some reason. Unfortunately I currently don't have time to work on it much, as other obligations keep me busy. What are you trying to do though? If you send to another Instawallet without forcing it through the green address the system will be able to do an internal transfer and it will clear instantly. He might be wondering the same thing that I was: whether NOT using the green address could possibly reveal the original sending Instawallet address. |
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jav (OP)
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January 03, 2012, 05:17:11 PM |
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He might be wondering the same thing that I was: whether NOT using the green address could possibly reveal the original sending Instawallet address.
When sending between Instawallets? No, it does not reveal the address in any way. It doesn't hit the blockchain at all, so it isn't visible from the outside. It's just changing the balance in the database for the affected Instawallets. I sometimes see people doing stuff like this: "Outside -> Instawallet A -> Instawallet B -> Instawallet C -> Outside". I guess they want to launder these coins, or something. There is really not much point in moving funds around inside Instawallet like that. The coins that are finally send out from Instawallet C aren't more mixed or something than what you would have gotten from Instawallet A. |
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Stemby
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February 05, 2012, 01:18:19 AM |
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Hi, what do you think about this comment? Ciao! |
“…virtual currencies, could have a substitution effect on central bank money if they become widely accepted.”
ECB Report, October 2012
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jtimon
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February 05, 2012, 10:14:14 AM |
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Good question. In the bitcoin development mail list, in the aliases thread, there was a considerable criticism against firstbits. I claimed that firstbits was still valuable for systems such as green addresses where the length of the url is a constraint because of QR codes and luke claimed that "green addresses are also broken by design". I would like to see, Jav, discussion about this between you and luke-jr. Because I strongly disagree with him on this point. |
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jav (OP)
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February 05, 2012, 10:48:40 AM |
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Seems like a good suggestion. I'm sure there are better/more efficient ways to achieve the green address goals if you manage to get some required changes into the Satoshi client. I didn't really look at this option too much, because my impression is that the whole green address thing is somewhat controversial and a number of people are not convinced that it is even needed, so it seemed to me that it would probably not be accepted by the dev team. That's why I looked at solutions that would work with the current code base. Maybe some would consider this as "broken by design", I like to think of it as "pragmatic". But I currently don't have the time anyway to continue working on this, as some "RL stuff" has gotten in the way. So sure, if some superior solution makes it into the code base then I'm all for it. |
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jtimon
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February 05, 2012, 10:59:57 AM |
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That's why I looked at solutions that would work with the current code base. Maybe some would consider this as "broken by design", I like to think of it as "pragmatic".
I've already told you about the potential of this combined with ripple-like bitcoin transactions or just combined with Ripple. But I currently don't have the time anyway to continue working on this, as some "RL stuff" has gotten in the way. So sure, if some superior solution makes it into the code base then I'm all for it.
What a pity. I think green addresses is a great idea. |
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Luke-Jr
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February 05, 2012, 01:09:54 PM |
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The key problem with "green addresses" is that it encourages service providers to spam the blockchain with moves of funds to a single address. Since these same services cannot have users send directly to the "green address", the need for an extra transaction/input to move funds to one is almost always needed.
On the other hand, it's possible to simply add an extra signature to transactions, signed by the "green address", which gets relayed with it. Service providers can check for this signature. Miners can (but don't currently) omit this signature from blocks, so it doesn't cause permanent bloat.
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Red Emerald
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February 05, 2012, 04:47:10 PM |
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The key problem with "green addresses" is that it encourages service providers to spam the blockchain with moves of funds to a single address. Since these same services cannot have users send directly to the "green address", the need for an extra transaction/input to move funds to one is almost always needed.
Thanks for explaining this. I was just about to ask what bloat there was. On the other hand, it's possible to simply add an extra signature to transactions, signed by the "green address", which gets relayed with it. Service providers can check for this signature. Miners can (but don't currently) omit this signature from blocks, so it doesn't cause permanent bloat.
How simple is simple? And why is the system built so miners can change things like signatures? Couldn't that be bad? |
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Stemby
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February 05, 2012, 05:31:33 PM |
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Luke-Jr, thank you for your answer. I'm very interested in this subject (instant transfer and zero-confirmation transactions). Could you explain in simple words your technique, in a similar way to this one, please? Thanks! |
“…virtual currencies, could have a substitution effect on central bank money if they become widely accepted.”
ECB Report, October 2012
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