📅 Original date posted:2014-08-19
📝 Original message:On Tue, Aug 19, 2014 at 8:16 PM, Peter Todd <pete at petertodd.org> wrote:
> On 19 August 2014 19:40:39 GMT-04:00, Jeff Garzik <jgarzik at bitpay.com> wrote:
>>Encryption is of little value if you may deduce the same information
>>by observing packet sizes and timings.
>
> That is simply incorrect. The resources required to do that kind of monitoring are very high; even the NSA can't pull it off consistently for
Hardly. For example, when a new block arrives on the network, a
single observer at a single location may obtain a binary "likely|not
bitcoin protocol" decision from a spike in usage correlated with
sudden, global network activity after a period of inactivity. I'll
not detail all such metrics.
--
Jeff Garzik
Bitcoin core developer and open source evangelist
BitPay, Inc. https://bitpay.com/
Jeff Garzik [ARCHIVE] /
npub1kf…f3f58
2023-06-07 15:25:22
in reply to nevent1q…ncs9
Author Public Key
npub1kf0ppcjaguxekg24yx6smgxlu73qn0k8lm0t2wrqc0scpl7u3sgsmf3f58Published at
2023-06-07 15:25:22Event JSON
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"content": "📅 Original date posted:2014-08-19\n📝 Original message:On Tue, Aug 19, 2014 at 8:16 PM, Peter Todd \u003cpete at petertodd.org\u003e wrote:\n\u003e On 19 August 2014 19:40:39 GMT-04:00, Jeff Garzik \u003cjgarzik at bitpay.com\u003e wrote:\n\u003e\u003eEncryption is of little value if you may deduce the same information\n\u003e\u003eby observing packet sizes and timings.\n\u003e\n\u003e That is simply incorrect. The resources required to do that kind of monitoring are very high; even the NSA can't pull it off consistently for\n\nHardly. For example, when a new block arrives on the network, a\nsingle observer at a single location may obtain a binary \"likely|not\nbitcoin protocol\" decision from a spike in usage correlated with\nsudden, global network activity after a period of inactivity. I'll\nnot detail all such metrics.\n\n-- \nJeff Garzik\nBitcoin core developer and open source evangelist\nBitPay, Inc. https://bitpay.com/",
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