Ok, I have mine here: 3PugdGbbL3bXhoo6DyQyVkhXkM9Qm4YEbi
I wouldnt stake a Segwit address since you can't sign a message with it proving it's ownership.
Addresses that start with 3 are
p2sh addresses which can be verified using brainwallet.
Electrum can sign and verify a message with a segwit (Bech32) address as well.
For example:
https://bitcointalk.org/index.php?topic=996318.msg49273240#msg49273240