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Author Topic: Quick question about addresses  (Read 568 times)
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July 02, 2011, 12:54:26 AM
 #1

When you're sending coins from your client, is the "from" address on the recipient's end obtained in the same way the address is obtained when you click the "new address" button on the client? In other words, if I am 100% sure that someone who sent me BTC did so from their bitcoin client, can I send their BTC back to them using the "from" address in my transactions list? I know as a merchant you're supposed to ask for a return address, but I think that's only because many people use e-wallets which could mess things up.
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MoonShadow
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July 02, 2011, 01:01:14 AM
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More or less, yes.  If you are absolutely certain that the funds sent to you came from a single user's client, and did not come from any shared wallet service (online or otherwise) you can safely assume that the 'from' address field is one of your sender's addresses.  It's not entirely safe to do this, however.

"The powers of financial capitalism had another far-reaching aim, nothing less than to create a world system of financial control in private hands able to dominate the political system of each country and the economy of the world as a whole. This system was to be controlled in a feudalist fashion by the central banks of the world acting in concert, by secret agreements arrived at in frequent meetings and conferences. The apex of the systems was to be the Bank for International Settlements in Basel, Switzerland, a private bank owned and controlled by the world's central banks which were themselves private corporations. Each central bank...sought to dominate its government by its ability to control Treasury loans, to manipulate foreign exchanges, to influence the level of economic activity in the country, and to influence cooperative politicians by subsequent economic rewards in the business world."

- Carroll Quigley, CFR member, mentor to Bill Clinton, from 'Tragedy And Hope'
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July 02, 2011, 01:03:50 AM
 #3

I don't think the transaction list even shows a from address. It shows which address of YOURS the payment went to. When you receive BTC it could have come from many addresses at once.

Companies claiming they got hacked and lost your coins sounds like fraud so perfect it could be called fashionable.  I never believe them.  If I ever experience the misfortune of a real intrusion, I declare I have been honest about the way I have managed the keys in Casascius Coins.  I maintain no ability to recover or reproduce the keys, not even under limitless duress or total intrusion.  Remember that trusting strangers with your coins without any recourse is, as a matter of principle, not a best practice.  Don't keep coins online. Use paper wallets instead.
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July 02, 2011, 01:08:19 AM
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I don't think the transaction list even shows a from address.

The inputs in a transaction reference other transactions, and by looking up those other transactions, the address is revealed.  I'm not positive that this is what the 'from' field in the client actually is referring to, however.

"The powers of financial capitalism had another far-reaching aim, nothing less than to create a world system of financial control in private hands able to dominate the political system of each country and the economy of the world as a whole. This system was to be controlled in a feudalist fashion by the central banks of the world acting in concert, by secret agreements arrived at in frequent meetings and conferences. The apex of the systems was to be the Bank for International Settlements in Basel, Switzerland, a private bank owned and controlled by the world's central banks which were themselves private corporations. Each central bank...sought to dominate its government by its ability to control Treasury loans, to manipulate foreign exchanges, to influence the level of economic activity in the country, and to influence cooperative politicians by subsequent economic rewards in the business world."

- Carroll Quigley, CFR member, mentor to Bill Clinton, from 'Tragedy And Hope'
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