Hash: SHA256
If you would like to validate that the binaries you download are exactly the same as those provided and built by the Qtum team, then you can compare your binaries to the following sha256sum hashes:
7597c698318588a8bc580024b2c1a87aa0063c7122cf09af33aacf1d25b0afda ./Qtum-electrum-v4.0.20-portable.exe
c267f974c7ba30145a28baf3a4234237498ffc8bc2e99b47ff1ff8bcb1c59caf ./Qtum-electrum-v4.0.20-setup.exe
c2d976cca1f3ca3fe32408175149710eb03dea84e1f5c97ceb6f85b2a851572a ./Qtum-electrum-v4.0.20.dmg