Cost-Effective Data Feeds to Blockchains via Workload-Adaptive Data Replication
Cost-Effective Data Feeds to Blockchains via Workload-Adaptive Data Replication
Feeding external data to a blockchain, a.k.a. data feed, is an essential task to enable blockchain interoperability and support emerging cross-domain applications. Given the data-intensive nature of real-life feeds (e.g., high-frequency price updates) and the high cost of using blockchain, namely Gas, it is imperative to reduce the Gas cost …