CopperheadOS: Security features, installing apps, and more (opensource.com)

Here's anopensource.com article on the virtues of CopperheadOS."Unlike other custom ROMs that strive to add lots of newfunctionality, Copperhead runs a pretty vanilla version of AOSP. Also,while the first thing you usually do when playing with a custom ROM is toadd root access to the device, not only does Copperhead prevent that, italso requires that you have a device that has verified boot, so there's nounlocking the bootloader. This is to prevent malicious code from gettingaccess to the handset."