remotemass (OP)
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February 28, 2013, 06:41:18 PM |
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I'm thinking in terms of being possible to do transactions if you only had access to email. Is it foreseeable that a bitcoin email technology will arise that will allow us to send money from one bitcoin address - using only email - without compromising the private key?
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{ Imagine a sequence of bits generated from the first decimal place of the square roots of whole integers that are irrational numbers. If the decimal falls between 0 and 5, it's considered bit 0, and if it falls between 5 and 10, it's considered bit 1. This sequence from a simple integer count of contiguous irrationals and their logical decimal expansion of the first decimal place is called the 'main irrational stream.' Our goal is to design a physical and optical computing system system that can detect when this stream starts matching a specific pattern of a given size of bits. bitcointalk.org/index.php?topic=166760.0 } Satoshi did use a friend class in C++ and put a comment on the code saying: "This is why people hate C++".
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Gabi
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If you want to walk on water, get out of the boat
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February 28, 2013, 06:45:07 PM |
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Yes.
But why the email? Sending a transaction to the bitcoin network doesn't compromise your private key. If you are so paranoid, just do the transaction on a offline pc, copy it on an online pc and send it from there, why the email?
Anyway, you can for example copy-paste the transaction somewhere on the blockchain.info site and it will relay it to the bitcoin network. Sorry, i can't find the exact link of that feature right now.
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remotemass (OP)
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February 28, 2013, 06:52:40 PM |
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In case your ISP, in a dystopian future, blocked you from using p2p software and you didn't want to use an online wallet.
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{ Imagine a sequence of bits generated from the first decimal place of the square roots of whole integers that are irrational numbers. If the decimal falls between 0 and 5, it's considered bit 0, and if it falls between 5 and 10, it's considered bit 1. This sequence from a simple integer count of contiguous irrationals and their logical decimal expansion of the first decimal place is called the 'main irrational stream.' Our goal is to design a physical and optical computing system system that can detect when this stream starts matching a specific pattern of a given size of bits. bitcointalk.org/index.php?topic=166760.0 } Satoshi did use a friend class in C++ and put a comment on the code saying: "This is why people hate C++".
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nevafuse
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February 28, 2013, 07:43:59 PM |
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In case your ISP, in a dystopian future, blocked you from using p2p software and you didn't want to use an online wallet.
By that time, wifi will be good enough to form an ad hoc network
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The only reason to limit the block size is to subsidize non-Bitcoin currencies
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Elwar
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February 28, 2013, 10:01:01 PM |
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I could see this for people at work wanting to send come BTC. My work filter blocks about 80% of Bitcoin sites including blockchain.org. And I cannot install anything on my PC without going through my sys admin.
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First seastead company actually selling sea homes: Ocean Builders https://ocean.builders Of course we accept bitcoin.
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Stephen Gornick
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March 01, 2013, 04:14:30 AM |
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I'm thinking in terms of being possible to do transactions if you only had access to email.
You can, but for the inputs on that transaction it needs to know the transaction hashes (and indexes) that are being spent. This comes from the blockchain. It doesn't have to be a live or even recent copy of the blockchain, as long as it was as as-of when all transactions received and now being spent had at least one confirmation (and have not been spent since). - http://en.bitcoin.it/wiki/Raw_TransactionsSo even an offline computer with a copy of the blockchain and a wallet.dat can be used to compose the raw transaction. That raw transaction can then be transported (via e-mail attachment, flash drive/sneakernet, or whatever communication method you want, and broadcast. It can be broadcast by any Bitcoin.org client node (sendrawtransaction API method), or using services: - https://blockchain.info/pushtx - http://brainwallet.org/#tx
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remotemass (OP)
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March 01, 2013, 08:53:26 AM |
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(...) And I cannot install anything on my PC without going through my sys admin.
Maybe a 'portable app' for Satoshi client will come about, that you can use from your pendrive.
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{ Imagine a sequence of bits generated from the first decimal place of the square roots of whole integers that are irrational numbers. If the decimal falls between 0 and 5, it's considered bit 0, and if it falls between 5 and 10, it's considered bit 1. This sequence from a simple integer count of contiguous irrationals and their logical decimal expansion of the first decimal place is called the 'main irrational stream.' Our goal is to design a physical and optical computing system system that can detect when this stream starts matching a specific pattern of a given size of bits. bitcointalk.org/index.php?topic=166760.0 } Satoshi did use a friend class in C++ and put a comment on the code saying: "This is why people hate C++".
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picobit
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March 01, 2013, 08:58:54 AM |
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The Armory client has support for offline wallets, where you can create a transaction on computer A which has the blockchain and your public keys, but not your private keys. Then you transfer the unsigned transaction to computer B, which is typically offline and thus secure from hackers, and has your private keys. You sign the transaction, and transport it to computer C which is online, and broadcast the transactions. Typically computer A and C are the same, but not necessarily.
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Timo Y
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March 01, 2013, 09:22:47 AM |
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I could see this for people at work wanting to send come BTC. My work filter blocks about 80% of Bitcoin sites including blockchain.org. And I cannot install anything on my PC without going through my sys admin.
Many workplaces also prohibit inserting unapproved USB drives into your work computer because they are afraid of malware and data theft. In that case, your only option is to generate the signature on your portable device and type it into your work computer by hand. Probably much easier just to send bitcoins from your private smartphone. Or are workplaces jamming phones now too?
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Elwar
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March 01, 2013, 10:35:45 PM |
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I could see this for people at work wanting to send come BTC. My work filter blocks about 80% of Bitcoin sites including blockchain.org. And I cannot install anything on my PC without going through my sys admin.
Probably much easier just to send bitcoins from your private smartphone. Or are workplaces jamming phones now too? No phones allowed...but going down a rabbit hole of how I could send Bitcoins at my work would be useless with the restrictions. If I really have to send BTC while at work I can go outside and send it via smartphone. I am supposed to only be doing work at work anyway, which I always follow
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First seastead company actually selling sea homes: Ocean Builders https://ocean.builders Of course we accept bitcoin.
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remotemass (OP)
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March 25, 2013, 04:27:52 AM |
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Anyway, you can for example copy-paste the transaction somewhere on the blockchain.info site and it will relay it to the bitcoin network. Sorry, i can't find the exact link of that feature right now.
The link you are mentioning must be, http://blockchain.info/pushtx, that is mentioned on pg. 60 of Bitcoin Magazine, issue #4 November 2012.
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{ Imagine a sequence of bits generated from the first decimal place of the square roots of whole integers that are irrational numbers. If the decimal falls between 0 and 5, it's considered bit 0, and if it falls between 5 and 10, it's considered bit 1. This sequence from a simple integer count of contiguous irrationals and their logical decimal expansion of the first decimal place is called the 'main irrational stream.' Our goal is to design a physical and optical computing system system that can detect when this stream starts matching a specific pattern of a given size of bits. bitcointalk.org/index.php?topic=166760.0 } Satoshi did use a friend class in C++ and put a comment on the code saying: "This is why people hate C++".
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foggyb
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March 25, 2013, 04:34:37 AM |
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Interesting. This means transactions through postal mail could work as well?
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Dabs
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March 25, 2013, 06:31:44 AM |
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Interesting. This means transactions through postal mail could work as well?
Yes, but it will have to pass through either an automatic OCR or some human is going to have to process it. An anonymous email to broadcast transaction portal would be better. Something like a anon remailer that uses OpenPGP or something, with included optional time delay. Then you could use a couple of anon remailers chained in sequence to transmit the transaction almost completely offline, anonymously, and very difficult or impossible to trace. Postal mail would have to go through a person.
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