Re: Electronic money
Ben Laurie <ben-cX+m+/[email protected]> Sun, 07 Dec 2014 10:45:43 +0000
| Newsgroups | gmane.law.cryptography.uk |
|---|---|
| Message-ID | <CAG5KPzwV21LLhRtLti4DFNTMVPpDO3LymYYm9noRrwNK7bMXcA@mail.gmail.com> |
On Sun Dec 07 2014 at 10:21:35 AM Charles Lindsey <[email protected]> wrote: > On Fri, 05 Dec 2014 20:47:42 -0000, Ben Laurie <ben-cX+m+/[email protected]> wrote: > > > > Consider the following thought experiment. I am an Evil Genius, with a > > Lot > > of Computers. > > > > I go away for a year and mine bitcoins on my own version of the chain. > > Because I have a LoC, I can do this faster than the rest of you. > > > > When the year ends, I present my longer chain, and under the Holy Rules > > of > > Bitcoin, all of the last year of mining and transactions goes away. > > > > Clearly this situation is untenable. The solution? Checkpoints. > > > > Those who set the checkpoints are the central authority. > > AIUI, if you mine a bitcoin (and coincidentally someone else mines the > same one), then the first to register it in the Ledger takes preference > (AFAIK, the mineable bitcoins have no predefined order). Clearly you don't understand it: longest chain wins. Also, what is this "the" Ledger you register first in? > Anyway, it is all > described in Wikipedia, and I don't think your situation would cause any > problem. > Uhuh.