By analyzing a novel transaction-level dataset, this study reveals the microstructural liquidity dynamics around scheduled macroeconomic announcements. Specifically, we examine whether investor composition contributes to liquidity fluctuations in a highly liquid and purely order-driven index...

This study examines the short-term relationship between stock market returns and implied volatility using  high frequency data . This is the first study to analyze  high frequency data on the VKOPSIa newly introduced volatility index implied by the KOSPI200 options.  KOSPI 200 optioins  are...

In the blockchain world, proof-of-work is the dominant protocol mechanism that determines the consensus of the ledger. The hashrate, a measure of the computational power directed toward securing a blockchain through proof-of-work consensus, is a fundamental measure of preventing various attacks....

Confirmation of the settlement on-[block]chain transactions is both costly and takes time as it requires the actions of others (i.e., “bitcoin miners”) who compete to mine a block into which they can compile transactions. In the on-chain settlement competition for bitcoin transactions, users...