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WEDNESDAY, 21 OCT · HOT

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The best of crypto, tech and the open web. Curated by humans.

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@xmtp_
@xmtp_

Important update for the entire XMTP community: XMTP is becoming an open-source messaging stack you can run yourself. Please read this post for all of the details, changes, and plans for the future https://blog.xmtp.org/future-of-xmtp/

01x.com

@xmtp_: XMTP is becoming an open-source messaging stack you can run yourself

@jacek0x: DEGEN lays off its dev team, plans to build options DEX Yeetr on Basex.com
02x.com

@jacek0x: DEGEN lays off its dev team, plans to build options DEX Yeetr on Base

@bryan_johnson
@bryan_johnson

I have an AI agent that logs every negative comment someone makes about me online. It then creates a profile of the person, maps all of their social connections, and finds all their emails. Tomorrow morning, my AI agent will sent out an email blast to everyone's extended social network, detailing the horrible things they've said about me.

03x.com

@bryan_johnson: My AI agent logs negative comments about me, profiles the author

@opensea: OpenSea Mobile is now open to everyone, across 25+ chainsx.com
04x.com

@opensea: OpenSea Mobile is now open to everyone, across 25+ chains

05we-have-a-problem.com

eMudhra Intermediate CA Compromise

Shadow worksubstack.com
06substack.com

Shadow work

Introducing Atmosphere Moneyatmosphere.money
07atmosphere.money

Introducing Atmosphere Money

How Not to Fuck Up Your Takeoverx.com
08x.com

How Not to Fuck Up Your Takeover

@stacy_muur
@stacy_muur

Compiled a list of protocols that have shut down in 2026. 82 protocols year-to-date. I've never seen anything like this before.

09x.com

@stacy_muur: Compiled a list of 82 protocols that have shut down in 2026 so far

@MaxRovensky
@MaxRovensky

a 6 hour (so far) FULL OUTAGE across EVERY SYSTEM is absolutely deranged for a bank @Revolut's entire infra team should be fired, holy absolute failure of the most critical aspect of a financial institution - availability

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10x.com

@MaxRovensky: Revolut's 6+ hour full outage across all systems is a failure of a

@adriandlam_
@adriandlam_

this is wild connected the kindle over usb and let claude code jailbreak the kindle removed all the Amazon bloat + added tailscale

11x.com

@adriandlam_: connected the Kindle over USB and let Claude Code jailbreak it

@OpenAI
@OpenAI

OpenAI models helped researchers—operating as part of our Patch the Planet initiative—discover critical security flaws in PHP, an open-source programming language used to run an estimated 70% of websites. Over the past two months, we led a coalition of maintainers, researchers, and security providers to prepare fixes and protections ahead of disclosure. This duration was necessary because the fix was quite intricate and required a major change to the PHP engine. Every site using PHP can now safely upgrade their version to stay secure, in addition to applying mitigations from various security vendors. Due to the severity of these flaws and PHP’s widespread use, we consider this bug to be one of the most impactful vulnerabilities in recent memory. It also marks a new phase, where AI can find security bugs with internet-scale impact. This is an example of the Defender’s Window in action: to our knowledge, frontier AI was able to find this vulnerability ahead of attackers, giving defenders time to prepare. https://openai.com/index/coordinated-dis…

12x.com

@OpenAI: OpenAI models helped find critical PHP security flaws before disclosure

@NSACyber
@NSACyber

Effective Immediately, all organizations using PHP for their systems are advised to be prepared for an update addressing two critical vulnerabilities. PHP is widely used for web applications. These vulnerabilities often provide a direct path to the server's file system or database. If an immediate update is not feasible, it is recommend that organizations take the system offline until it can be fully mitigated. NSA will follow up shortly with more specific guidance.

13x.com

@NSACyber: Organizations using PHP should prepare for update fixing two critical