We’re doing it again! Arkade Day returns for its second edition in Lugano on October 21. Join treasury leaders, trading and financial services professionals and security specialists to discuss what’s next for Bitcoin finance, alongside new product showcases. Details and registration: luma.com/4usxgzkv

Coming to Lugano again @arkade_os day! Oct 21 at LAC is bigger and more interesting than last time, split into two tracks designed for different parts of the Bitcoin stack. Whether you're moving capital or building products, there's something designed for you.

We are pleased to announce that @H100Group is joining Ark Labs as co-host of Capital Sessions on 21 October in Lugano. @Sanderandersenn will open up the day with a conversation on growing Bitcoin per share in Europe. Join us as we explore the frontier of modern finance.

A Block Interview with one of the Lugano rockstars and a great friend: @tierotiero We talked about Ark & @arkade_os, @premai_io, how to ship for real, keyboard people and people people (sorry you have to watch the episode to understand this concept better 🙂) Here's the link, you don't want to miss this one: piped.video/kGiY8LNvfuA

Arkade 🤝 @BrantaOps See you there!

We’re doing it again! Arkade Day returns for its second edition in Lugano on October 21. Join treasury leaders, trading and financial services professionals and security specialists to discuss what’s next for Bitcoin finance, alongside new product showcases. Details and registration: luma.com/4usxgzkv

FOUR MONTHS LATER, we’re finally ready to bring Castle’s High-Yield account to our customers. The road here has been quite painful: working with tech that wasn’t quite ready and required us to spend two months QA’ing it ourselves, endless back-and-forth on agreements, compliance, disclosures… and the complexity of launching a securities product. To every Castle customer who trusted us and patiently waited: I’m sorry. We set expectations that we didn’t meet. We’ve learned a lot, and we’ll do better next time. At the same time, I’m incredibly proud. To my knowledge, we’re the first to bring the concept of flexible dividends to the U.S. market — combining modern fixed-income products with bitcoin in a way that didn’t exist before. I think this is what the future of savings products looks like, and I’m happy we get to contribute to it.

Arkade is building the tools bitcoiners deserve. Modern toolkit for modern money.

It had to be done. It's a good day to ♪ Stack the Bitcoin ♪ ♪ Hold the freedom in your hands ♪ ♪ Keep your own keys ♪ ♪ Take control ♪ link.nuri.com/app free, Web-App, iOS, Android, bitcoin passkey smart wallet (MuSig2 thanks to @paulmillr and @arkade_os also for lightning).

Since August 1st, we have seen an elevated number of attempts on our platform, and many partners reported AI-assisted attacks. We quickly partnered with Prem AI for quick, confidential access to uncensored Kimi K3. We then helped tune audit patterns for the Bitcoin codebase into a custom harness that found more issues requiring attention. Today that harness became available as Cyberscan. Give it a try!

Excited to announce the launch of Cyberscan - Prem's proprietary security agent for vulnerability detection built in partnership with @ArkLabsHQ and the @Breez_Tech Powered exclusively by open-source models like Kimi-K3, Qwen-3.8-Max and more, Cyberscan has helped over 20 teams find mission critical vulnerabilities in their codebases, preventing massive liabilities. Starting Today, Cyberscan is available for public access (link below) with $25 in free-credits for new users. Login with your github, connect a repo and it takes care of the rest - surfacing vulnerabilities that you definitely might have missed out.

I built a Bitcoin vault so Coldcard-style incidents can't happen again, and holders can finally sleep tight. (Okay, I lied. Grok did 🤖) Some ideas on practical security available today, and how a simple cosigning server can become the ideal self-custody companion. 👇

Applications are turning into markets. Digital assets have expanded the range of financial services available, but access remains fragmented across providers, assets, and networks. Intents turns payments and exchange into an open market, giving applications a common interface to access and compete across providers. Read more: arkadeos.com/blog/open-marke…

love it doing the same at @nuri with @arkade_os but also contact list, state (your display currency) and most importantly: end to end encrypted in app support messages p2p

The interesting part of Arkade Intents is not another way to swap into Lightning. It’s the attempt to standardize the execution layer. Today, adding a liquidity provider usually means another API, quote format, state machine and recovery flow. With Intents, the wallet defines a route, for example arkade:BTC to lightning:BTC Solvers provide pricing, liquidity, routing and execution. RFQs can travel over Nostr. A wallet can address one solver directly, or eventually publish an intent to a market where multiple solvers can return bids. Nostr is just transport and discovery infrastructure here. Relays don’t select the solver, custody funds or enforce settlement. The client selects a quote, verifies it and derives the settlement contract locally. Funding that contract is the actual commitment. For Lightning send, the solver pays the invoice first, learns the preimage, then uses it to claim the Arkade lockup. If it fails to execute, the contract defines the recovery path. So you get a pretty clean separation. Nostr for communication. RFQ for price discovery. Solvers for liquidity and execution. Bitcoin contracts for enforcement. One solver is still a dependency. Multiple independent solvers speaking the same protocol become a market. This is a much better abstraction than hardcoding liquidity providers into wallets. Standardize execution, make providers replaceable, let liquidity compete.

Fantastic news everybody! We are already working on integrating it and bringing them swaps back to @nuri

Hello there @arkade_os intents! 👾

markets can be more resilient than single providers! apparently we can still build cool lightning things (not just stablecoins), @arkade_os keeps shipping cool stuff!

⚡️👾

We’re happy to announce that, despite all the chaos in the eco-system, Wesatoshis keeps moving sats through atomic swaps Power by @arkade_os