200,000 missing Bitcoins found in wallet

Sarah Coles
C69BAF Stack of bitcoins isolated on white.  bit; coin; bit-coin; bitcoin; virtual; money; web; bank; bit; coin; business; buy;
C69BAF Stack of bitcoins isolated on white. bit; coin; bit-coin; bitcoin; virtual; money; web; bank; bit; coin; business; buy;

There's nothing like that feeling when you put on an old jacket or pair of trousers and find a few coins waiting for you in the pockets. Now a bankrupt Japanese firm has had its equivalent of the same thing - uncovering £70 million worth of Bitcoins lurking in an old digital wallet.

But what does this actually mean?