JD on Nostr: Lightning was first proposed in early 2015, I believe. Segwit was proposed in late ...

Lightning was first proposed in early 2015, I believe. Segwit was proposed in late 2015. Segwit had to happen to fix transaction malleability so that Lightning could be implemented.

https://bitcoin.stackexchange.com/questions/69317/why-was-transaction-malleability-fix-required-for-lightning-network