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1036 sats \ 0 replies \ @nullcount 26 Mar \ on: Lightning Network Onion Routing: Sphinx Packet Construction lightning
Fun fact, the maximum number of hops a LN payment can have is 20 hops.
This 20-hop limit is enforced by the ChaCha20 stream cipher required by BOLT#4.
As the name suggests, ChaCha20 can encode a maximum of 20 layers of cyphers (20 payment hops).