$ sudo snap changes
ID Status Spawn Ready Summary
MJ8qKQ Undo 0001-01-01T00:00:00Z 2016-06-10T17:06:19Z Remove "cap-test" snap
k1Kq78 Undo 0001-01-01T00:00:00Z 2016-06-10T17:06:19Z Install "webchat" snap from "" channel
nbW67x Undo 0001-01-01T00:00:00Z 2016-06-10T17:06:19Z Install "cap-test" snap from "" channel
1 Done 2016-06-10T16:48:10Z 2016-06-10T16:49:42Z Install "gucharmap" snap from file "./gucharmap_9.0_amd64.snap"
2 Done 2016-06-10T17:03:09Z 2016-06-10T17:03:10Z Remove "gucharmap" snap
3 Done 2016-06-10T17:03:22Z 2016-06-10T17:03:24Z Install "gucharmap" snap from file "./gucharmap_9.0_amd64.snap"
4 Doing 2016-06-10T17:05:10Z - Remove "cap-test" snap
$ md5sum /usr/lib/snapd/snapd
e0ba7f4b20c5f2a29fc9f7210f634f3f /usr/lib/snapd/snapd
$ ps aux | grep snap
root 20223 0.4 0.5 365400 20756 ? Ssl 18:56 0:04 /usr/lib/snapd/snapd