Play Doh has been around since the mid 50's but there's so many other children's toys that it's a shame parents still buy this stuff. Children just need to admit that Play Doh is no fun.
Maybe eth will be around longer than you think because people like using it more than your 10 year old WordPress.
Op, is the list of smart contracts that you have used a long list?
If you have had that much ether a long time, then I would suspect something more recent.
After that, are there pics on your phone, that are backing up to a cloud?