[Cryptography] Business opportunities in crypto

[Richard Outerbridge]

> On 2021-04-13 (103), at 17:58:16, Kent Borg <kentborg at borg.org> wrote:
> 
> On 4/13/21 2:01 PM, Jerry Leichter wrote:
>> but is there one that's implementable efficiently enough to match the sub-millisecond times on which markets run these days?
> Lop off some zeros, I think.
> 
> A few years back I read about some folks making bids really fast. Kinda less than zero latency: They had an FPGA on a network card that started sending out a bid before the quote it was based on had been fully received. The trick being they could set the bid price at the last moment. They could also abandon sending if their guess was wrong.
> 
> (A bit like how, in an under powered car, one can pass a truck on a curvy little Mexican road: accelerate on the assumption the oncoming lane will be clear when you get to the little straightaway you think you can see ahead. If when you get there it is clear, go! If not, hit the brakes. Similar idea.)
> 
> Whether abandoned packets annoyed the exchange they did not say. (What my passengers thought of the technique is a question, too.)
> 
> -kb, the Kent who doesn't drive on curvy little Mexican roads anymore, alas.
> 
What is the typical skew on Tier2 or Tier3 ppm ntpds?  How many microseconds?  Is >really< ”secure time” yet another business opportunity?
__outer

/ps who also misses driving twisty little country roads :(

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