$8.6B Bitcoin whale transfer shows no signs of sell-off: Arkham
Blockchain & Cryptocurrency

$8.6B Bitcoin whale transfer shows no signs of sell-off: Arkham

Arkham suggests that a significant Bitcoin whale transfer could be linked to a wallet upgrade, while other industry experts propose alternative theories. This development highlights ongoing discussions surrounding cryptocurrency movements and their implications in the market.


What is a Bitcoin whale and why is their activity significant?
A Bitcoin whale is an individual or institution holding a large amount of Bitcoin, typically defined as owning at least 1,000 BTC. These whales are significant because their transactions can influence market liquidity and price movements, often causing increased volatility. Their wallet activities are closely monitored by the crypto community to anticipate potential market shifts.
Why might a large Bitcoin transfer not indicate a sell-off?
According to Arkham, a large Bitcoin transfer, such as the $8.6 billion whale movement, might be related to a wallet upgrade rather than an intention to sell. This suggests that not all significant transfers lead to market sell-offs, and other industry experts propose alternative explanations for such movements, highlighting the complexity of interpreting whale activity.

06 July 2025

Cointelegraph.com
How the Binding of Two Brain Molecules Creates Memories That Last a Lifetime
Science

How the Binding of Two Brain Molecules Creates Memories That Last a Lifetime

Recent research highlights an interaction between two proteins that may explain the molecular basis of memory. This discovery raises intriguing questions about how memories persist despite the rapid turnover of the molecules involved.


How can memories last a lifetime if the molecules involved in memory formation are rapidly replaced?
Memories persist despite the rapid turnover of molecules because certain proteins involved in memory formation, such as Cytoplasmic Polyadenylation Element Binding (CPEB) proteins, can transform into self-perpetuating, prion-like states. These states maintain synaptic changes necessary for long-term memory by continuously regulating local protein synthesis at synapses, effectively preserving the memory trace over time.
Sources: [1], [2]
What is the significance of the 'droplet-inside-droplet' structures formed by memory-related proteins at synapses?
The 'droplet-inside-droplet' structures represent complex multilayered protein condensates formed by memory-related proteins at synapses. These structures are thought to organize proteins in a way that facilitates the biochemical reactions necessary for memory formation and synaptic plasticity. Understanding these formations helps explain how proteins interact to create stable yet dynamic environments essential for encoding long-lasting memories.
Sources: [1]

06 July 2025

WIRED
Technology News

UK puts out tender for space robot to de-orbit satellites

Britain's space agency seeks a supplier to develop a robotic spacecraft aimed at capturing and de-orbiting two defunct UK-licensed satellites from low Earth orbit, highlighting the nation's commitment to space sustainability and innovation.


What is the purpose of the UK Space Agency's mission to de-orbit satellites?
The mission aims to actively remove two defunct UK-licensed satellites from low Earth orbit using a robotic spacecraft. This is to reduce space debris, which poses a significant threat to operational satellites and vital space infrastructure that supports services like GPS, weather forecasting, and emergency communications. The spacecraft will capture the defunct satellites and guide them to burn up safely in Earth's atmosphere, ensuring the long-term sustainability and safety of space operations.
Sources: [1], [2]
What challenges does the UK ADR mission face in capturing defunct satellites?
A key challenge is that the target satellites are 'unprepared' for de-orbiting, meaning they were not designed with features to aid capture, such as grapple points or de-orbiting functionality. The mission must develop advanced robotic and autonomous navigation technologies to safely capture and de-orbit these satellites despite their lack of such design features.
Sources: [1], [2]

06 July 2025

The Register
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