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Great post by Robert about how Solana blockhashes can protect you from a type of attack experienced by Bybit. If you are a Solana multisig user with size (assuming you already use hardware wallets and do not use nonces) here is the bare minimum you should do to protect yourself:

should we sell audits exclusively on time.fun?

We are closely following the recent events regarding the Safe and Bybit incident. It was a targeted attack by the Lazarus group, exploiting leaked infrastructure credentials from a compromised Safe developer machine to propose a disguised malicious transaction. We are reviewing

I wrote a fun challenge for picoCTF this year. as a hint: don't over-index on past challenges

NEW: A few months ago, we uncovered an authentication bypass in Web3Auth that could have led to full account takeover. In this deep dive, we break down how we found the issue and expose other authentication misconfigurations lurking in Web3. osec.io/blog/2025-07-0…

congrats to Perpv2, Max, et al on the raise, excited to have put in a small check. interesting read: manifesto.vest.exchange.

Another protocol won’t change the world. A revolution will — this is the encrypted one. Community round is live: coinlist.co/arcium

Secure signing systems are a difficult problem. We’re sponsoring a bounty with Squads to improve the state of multi-sig security on Solana. earn.superteam.fun/listing/securi…

I am starting a new company. We will be exploring LLM capabilities in software security and sharing our work publicly in our blog. So far, we created a benchmark and found multiple 0 days with the help of LLMs, and will be sharing once they are fixed.

endesa Spain MFA i have a proposal to fix your grid reliability: contract us to port your power grid to the proprietary 24V DICEGRID system. it will be plugged into the wall, which will ensure synchronization at all times 🙂

Coming to Solana Accelerate? I'll be speaking at the Scale or Die conference on May 19-20. Shoot me a DM if you're interested in talking about decompiling Solana programs :)

Just a quick update: justCTF has been rescheduled and will now take place on August 2, 2025. Sorry for the inconvenience! Nothing else has changed, so get ready and please spread the word!

github.com/rust-lang/rust… (.Jamie Hill-Daniel) x.com/reallyrawn/sta…

How many different ways can a lamport transfer fail in Solana? We were asked to investigate a critical bug patch in the Jito tip program, which asked this deceptively simple question. If you’re feeling brave, comment your answer before you read the article :)