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Giấy phép số 4978/GP-TTĐT do Sở Thông tin và Truyền thông Hà Nội cấp ngày 14 tháng 10 năm 2019 / Giấy phép SĐ, BS GP ICP số 2107/GP-TTĐT do Sở TTTT Hà Nội cấp ngày 13/7/2022.
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The race to secure public blockchains against the existential threat of quantum computing is accelerating, and the XRP Ledger is being recognized as an early pioneer in the space. In a recent research note titled 'It’s Time to Get Ready for a Post-Quantum Future,' Grayscale Head of Research Zach Pandl has recognized a major new paper from Google Quantum AI. The report argues that the timeline for quantum computers to break classical cryptography is rapidly compressing. Hence, public blockchains have to immediately bolster their defenses. Notably, Pandl specifically praised the XRP Ledger and Solana for already taking the initiative and experimenting with post-quantum cryptography (PQC). The looming quantum threat The urgency has been prompted by a recent breakthrough by Google Quantum AI. A quantum computer capable of running Shor's algorithm at scale does not exist today, but the technology is advancing in 'discrete jumps.' > XRPL is not quantum resistant. It could be made so, but with the present mechanims we have, the result would kind of suck because the quantum resistant algorithms we know of all have painful disadvantages in blockchain applications. ... > > — David 'JoelKatz' Schwartz (@JoelKatz) [July 26, 2022](https://twitter.com/JoelKatz/status/1552009018238832641?ref_src=twsrc%5Etfw) Aanchal Malhotra, Ripple's head of research, also recently took note of the development. The researcher noted that Google validated the result using a zero-knowledge proof rather than publishing the algorithm, meaning meaningful quantum cryptanalysis progress is no longer fully public. Back in July 2022, Ripple CTO David "JoelKatz" Schwartz acknowledged that the XRPL was not natively quantum-resistant. At the time, he noted that while the network could be upgraded, the known quantum-resistant algorithms had 'painful disadvantages in blockchain applications.' The strategy was to carefully monitor the technology and 'implement the best quantum-resistant algorithms whenever the risk looks to be within about 5 years of materializing.' He added that he did not believe the industry was there yet. However, with Google Quantum AI now openly pointing to a 2029 deadline, that five-year window has officially arrived.

Premium gym chains are entering a “golden era” that is ending or already in decline, as rising operating costs collide with shifting consumer preferences toward more flexible, community-based ways to exercise. Long-term memberships are shrinking, margins are pressured by higher rents and facility expenses, and competition from smaller, more personalized…