I used Bitcoin in 2011 and 2012 to acquire ... questionable pharmaceutics.

I stop using, but I have no idea how to log on and check to see if my account still has any value.  Is there a website I can check, a way to see if I still have funds to spend?

For the first time I heard about bitcoin and blockchain in 2011 I think from Mashable there were some articles about new technology ad its perspectives