What sort of benefits will using one or the other have?

*edit* Nvm its literally in the link

> Compared to HTLCs, they can be more private and use less block space.

faithandcredit

HTLCs use a hash of a preimage as the lock and the preimage as the key and PTLCs use a public key (point) as the lock and a signature from that public key as the key, see 

https://bitcoinops.org/en/topics/ptlc/

bitcoin

Ask SN: what's a Bitcoin/LN topic you want explained?

Semisol

HTLCs use a hash of a preimage as the lock and the preimage as the key and PTLCs use a public key (point) as the lock and a signature from that public key as the key, see https://bitcoinops.org/en/topics/ptlc/