On Dec. 3, 2025, Ethereum will activate the Fusaka upgrade on mainnet, its second major hard fork of the year after Pectra in May. Rollups now carry the bulk of Ethereum transactions and fee revenue, ...

The debate between the Bitcoin (BTC) and Zcash (ZEC) communities intensified on Sunday as the price of Zcash recovered to over $700, after falling to a low of $598 on Saturday. “The ‘Bitcoin only, ...

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Dogecoin might’ve started as a joke, but this upgrade isn’t one. DogeOS, the app layer developed by the MyDoge wallet team, has submitted a formal proposal to Dogecoin Core that introduces a new ...

Bit Digital’s stock plummeted after announcing a $150 million share sale and a transition from Bitcoin mining to Ethereum staking. Former Bitcoin mining firm Bit Digital fell sharply this week, with ...

I recently started adding support for konami's 6809 based CPU to vasm. After writing some code that runs on hardware (crime fighters board) I found there is some inconsistencies between MAME's CPU ...

SHRD shifts the first operand provided by the r/m field to the right as many bits as specified by the count operand. The second operand (r16 or r32) provides the bits to shift in from the left ...

Abstract: Side-channel based instruction disassembly (SCBD) is a family of side-channel attacks that aims at recovering the code executed by a device from physical measurements. Over past decades ...

The Motorola 6809, released in 1978, was the follow-up to their 6800 from four years earlier. It’s a powerful little chip with many 16-bit features, although it’s an 8-bit micro at heart. Despite its ...

Fuzzing—a testing technique that tries to find bugs by repeatedly executing test cases and mutating them—has traditionally been used to detect segmentation faults, buffer overflows, and other memory ...

Bitcoin was initially designed with a fully fleshed out scripting language, intended to encompass and support any potential safe use case that users could come up with in the future. As Satoshi ...