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D13

Verified account Algorand Foundation

@d13_co

Alter ego: @AlgoFoundation / Opinions personal
Algorand Mainnet d13.co Joined December 2021
2.3K Following 4K Followers 9.3K Posts

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D13 Verified account @d13_co
Go sockets will default to MPTCP if it is supported by the OS, so most Go servers on Ubuntu (among others) will be vulnerable. The race needs time to trigger, but doesn't mean this should be ignored. If you have publicly exposed Go servers:

1) Disable MPTCP now, and
2) Patch when there's a fix from your distro

@Canonical any timeline for the patch?
Uncle Rockstar Developer Verified account @r0ckstardev Oct 30
I spent the last few hours going down the CVE-2026-98432 Critical Linux Kernel Flaw rabbit hole 🕳️ and here are a few thoughts:

- It is legit and scary. Kinda crazy that it's been known for 2 weeks & there is still no patch for popular distros (the Ubuntu fix, for example, is developed but not publicly released, still in testing).
- MPTCP needs to be enabled, and on some unorthodox port. It seems that ISPs globally have started blocking options on 22, 80, 443 and other popular ports (good!).
- If you're running a server with valuable data, disable MPTCP and/or IP options NOW. They are not necessary in 99% of use cases anyways.
- It takes about 50 minutes on average to gain access to a server if all conditions are met. My servers started getting hit today; luckily the script I shared earlier handled the situation and rejected the probes.

Stay safe & enjoy the wild AI psychosis ride we're in.
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D13 Verified account @d13_co
@algo_surf updated, featuring information that is usually not captured by indexers. First, we have metrics like TPS and fees over time. Drag over the chart to zoom in, or explore any time slice from the presets and Period dropdown. You can get to the exact blocks by clicking block bars.

It is fun to click around and find TPS spikes - here are some TPS examples from my+@Urthoo's May 2024 ALGO+USDC load tests:
algo.surf/tps?range=2024…
algo.surf/tps?range=2024…

This is powered by surf-indexer, a new (unofficial) indexer that supplements data left out by the official one. It uses DuckDB and currently takes up just 750MB for the Mainnet data set. It is pretty fast at what it does, currently being served live (no cache) from a potato VPS and a laptop. You can see code and features here: github.com/d13co/surf-ind…

There's a bunch of other features for you to discover around accounts. One of my favorites is the relationship between multisig accounts and sub-signers. Normally this relationship is only discoverable one-way (from multisig to sub-signer)

Now, for each account, you can see which multisigs they are a part of, as well as whether they have ever signed or not (as listing sub-signers is permissionless, so if an account hasn't signed for a multisig, they may not have been aware that they were part of it)

algo.surf/account/DTHIRT…

There's also semi-hidden work on logic sigs, pending a bit of polish and labeling💅

Finally a topical one: there's a Consensus Upgrades page, which lists all consensus upgrades that have taken place. algo.surf/upgrades

Which brings me nicely to: Upgrade your nodes, algod 5.0.4 is out with a new consensus release.
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D13 Verified account @d13_co
You'd be lucky to have her on your team. I occasionally forget that SJ is 21 & just graduated uni, it breaks my brain to reconcile that with how much she knows and does. If anyone has ever given me "you're gonna go far" vibes, she's it.
SJ @ganainmtech Oct 23
Hey #AlgoFam 💚

Yesterday, I was also impacted by the @AlgoFoundation layoffs.

#Algorand helped me discover my obsession with blockchain at 16 and inspired me to study softdev. The journey from Ambassador to Integration Specialist, working my way up for nearly 6 years!

🧵1/4
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