Abstract: Following the design of more efficient blockchain consensus algorithms, the execution layer has emerged as the new performance bottleneck of blockchains, especially under high contention.

A Hurricane Katrina evacuee who became a death row inmate after killing two men in a hail of gunfire in Oklahoma City is set to become the second person executed in the U.S. this week. Oklahoma is ...

McALESTER − Oklahoma has carried out the nation's third execution of 2026, giving a lethal injection to an admitted double murderer who said he had been "compelled by paranoia." Kendrick Antonio ...

This photo provided by the Oklahoma Department of Corrections shows Kendrick Simpson, 45, on Aug. 11, 2025, who is scheduled to be executed, Thursday, Feb. 12, 2026, in Oklahoma, for the 2006 drive-by ...

Florida's first execution of 2026 was carried out on Ronald Palmer Heath, who was convicted of a 1989 murder. Heath was pronounced dead by lethal injection after the U.S. Supreme Court denied his ...

Feb. 11 (UPI) --Florida has executed a 64-year-old man for the 1989 murder of a traveling salesman, the state's first execution and the nation's second of the year. Ronald Heath was administered a ...

Copyright 2026 The Associated Press. All Rights Reserved. Copyright 2026 The Associated Press. All Rights Reserved. FILE -The entrance to Florida State Prison in ...

Following a record 19 executions in Florida last year, Ronald Heath is scheduled Tuesday to be the first person put to death in 2026, for a 1989 murder in Alachua County. Death Penalty opponents, ...

A longtime critic of the Iranian regime and the former head of the rogue nation’s national wrestling team are urging sports organizations to ban Iran from competitions just weeks after Tehran executed ...

IOC undertaking a review of events ahead of next Games PGS pits riders side-by-side in knock-out rounds Riders say it is inclusive and accessible LIVIGNO, Italy Feb 7 (Reuters) - With the Olympic ...

Here’s what you’ll learn when you read this story: Our universe has cracks, linking us to others, a quantum physics theory says. This opens the door to another version of you existing in some other ...