Payment Channels State stable Theory Audit wip Edit this section section-systems.filecoin_token.payment_channels Payment channels are generally used as a mechanism to increase the scalability of blockchains and enable users to transact without involving (i.e., publishing their transactions on) the blockchain, which: i) increases the load of the system, and ii) incurs gas costs for the user. Payment channels generally use a smart contract as an agreement between the two participants. In the Filecoin blockchain Payment Channels are realised by the paychActor.