They have maximum total supply, like Bitcoin
PoW like Bitcoin
Halvings like Bitcoin.

10 blocks per second in Testnet vs. 1 block per 10 minutes on Bitcoin

You can scan QR code. In 0.1 second block is created. In 1 second 10 confirmations. And you don't even need these 10 blocks. Because if several blocks are created at the same time - they all are added. So if you get into a block. This block can't be cancelled by other blocks.

Testnet. 10bps
http://104.11.218.91:8080/

Mainnet. 1bps
https://explorer.kaspa.org/

Bitcoin. But a real-time method of payment. What do you think?