The other is “decentralization,” or getting lots of people to work together without a central authority to call the shots. But those two nice properties come with a big tradeoff: Blockchains can’t scale.
There’s a rule in the world of blockchains so ingrained that some call it folklore. Bitcoin, the original iteration of blockchain technology, is great at two things. One is keeping data secure, with a ledger others can’t sabotage.