Bitcoin’s smart-contract-enabled sidechain RSK is introducing the concept of meta-transactions, which allow third parties to pay for a user’s transaction fees.

Announced on Thursday, the “RIF Enveloping” solution enables wallet providers to pay for their users’ transactions. Paying transaction fees is currently a major bottleneck in the adoption of smart contract platforms. Users wishing to trade tokens must always have some units of the blockchain’s native currency — for…

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