| list | ease of use | cost of liquidity | bidirectional liquidity | chain fee burden | trust/enforcement |
|---|---|---|---|---|---|
| channel swaps | easy | arbitrary / free | yes, two channels | both | min/LN |
| trusted swaps | easy | arbitrary / free | yes, swapped funds pushed in one channel | one side | trusted/LN |
| rings of fire | complicated | free | yes, two channels | one channel each | min/LN |
| lightningnetwork.plus | easy | free | yes, two channels | one channel each | min/LN |
| LL Pool | complicated | base fee + ppm (+ 1000 ppm to LL) | inbound only | seller covers | min/poold+LN |
| liquidity ads | CLI only | base fee + ppm paid to the Peer only | yes | buyer covers | min / seller funds are locked until expiry |
| Amboss.space Magma | easy | ppm (+ 10% of the fee to Amboss) | inbound only | seller covers | social based on reputation system |