Post
Topic
Board Bitcoin Discussion
Re: Contrary to Mt.Gox’s Statement, Bitcoin is not at fault - Gavin Andresen 10/2/14
by
bitsaber
on 11/02/2014, 00:14:07 UTC
In 2010.  If I recall correctly 2010 is before 2011.

So the transaction malleability problem was created in 2010 and reported in 2011.