
Product @gensynai — building machines that predict the future.
Barcelona, Spain
Joined September 2012
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Should i start wearing a tie for work? 🤔
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Nah, will stick to my 🧉. Tons of ideas to review 🔎
2026 @ColoMMiranda is sipping his 🧉 after a mindful walk, checking his agentic trades
1988 @ColoMMiranda is high fiving Wall St buddies when the bell closes
DeFi is changing finance, and your 🧠 can help build more ideas. Here's the TL;DR 👇
🧵1/
When me rambling can actually be turned into an article! If you have an idea on how to Arkiv in DeFi, please submit it here 👇
ideathon.arkiv.network/
Marcos Miranda retweeted
Today 🎙️ 4pm CET 🇪🇺
xitter.cf/arkivnetwork/status/20…
What can YOU [ ARKIV ] : DeFi Track
With @ColoMMiranda aka 'The Wolf of DeFi Street' - join him!
What can YOU [ ARKIV ] enters its final track: DeFi
Hosted by @ColoMMiranda
🎙️Friday · 4pm CET · Do not short this position
xitter.cf/i/spaces/1pJdRDzDrDaKW…
Marcos Miranda retweeted
🛍️ Marketplaces Track CLOSES @ 23:59 UTC
💰 DeFi with @ColoMMiranda starts Friday
Last chance to submit your Marketplace ideas!
🔗 ideathon.arkiv.network/#trac…
See what's been submitted this week - like and share your best ones! 🧵1/
How come I always end up talking about DeFi?
52% of What can YOU [ ARKIV ] submissions are coming from Africa - thanks @Web3Bridge 🫂
⏭️ @ColoMMiranda kicks off DeFi on Friday
🎙️ Join the Space to learn more
🗓️ Friday · 4pm · CET 🇪🇺
Link in comments, be sure to bookmark it 👇
Really looking forward to see what people come up with :D
Replying to @raphaeldegreat
The DeFi track starts in the final part of Aug - be sure to submit so @ColoMMiranda sees it then! ideathon.arkiv.network/#trac…
Marcos Miranda retweeted
Replying to @raphaeldegreat
The DeFi track starts in the final part of Aug - be sure to submit so @ColoMMiranda sees it then! ideathon.arkiv.network/#trac…
Marcos Miranda retweeted
Participating in an ideathon has never been this easy with AI.
TL;DR
1. 🔌 Connect the Ideathon MCP → your agent knows everything about Arkiv, every track, deadline & the judging rubric
2. 🎯 Run the /review_my_idea prompt for feedback before you submit (the prompt only works in Codex CLI & Claude Code)
➡️ ideathon.arkiv.network/#buil…
[ @arkivnetwork ]
Marcos Miranda retweeted
🌇Braga Sunsets, [ ARKIV ] Keeps Building
🚨Braga Testnet sunsets at 23:59 CET on 12 August.
We've had 100 submissions from hackers taking part in our [ ARKIV ] World Tour this year.
We supported @EtherArgentina the @ns ETH Community Hub and @SaltaDevAr along the way, building our community and evangelising Web3 Databases.
Having recently returned from @ETHGlobal we can see the passion for building truly Web3 infra is as strong as ever.
Now we move to the next stage: the path to @EFDevcon in Mumbai 🇮🇳.
To get there, the whole tech team will be focused on one job: rebuilding our stack. Their mission will be to better reflect Arkiv's original data-centric vision, and incorporate the feedback we've received in recent months.
The focus will entirely be on the new architecture, rather than splitting effort between it and the networks we run today.
That has a practical and immediate consequence for everyone building on Arkiv:
Braga Testnet sunsets at 23:59 CET on 12 August.
An experimental devnet, built on a new architecture, will be released in August, with limited access while we stress test it.
A public testnet follows in September. During that time, there´ll be no open network to build on. If you'd like devnet access during that time, please reach out to us on Discord. We’ll be open to discussions and will aim to help where we can.
⚠️ If you have data on Braga you'd like to keep, export it before 12 August or contact us directly afterwards.
More on what's coming:
arkiv.network/roadmap
Arkiv: purpose-built foundation
Last year, to move quickly, we wired Arkiv’s data logic into DB-Chains built on the OP Stack. While that got us to a working chain fast, the OP Stack was designed for a different job - running general-purpose smart contracts as a rollup. Over time, that mismatch has become a constraint.
What's changing?
👉Rebuilding Arkiv's DB-chain from the ground up around a data-centric design.
👉Braga testnet still runs next to an EVM & Ethereum-defined state. The chain we're working toward won't: its execution logic and state representation will be purpose-built for Arkiv.
👉We're custom-building the components that are core to what Arkiv does, simplifying everything that isn't.
That's our goal for Devcon 8 in Mumbai. The testnet we're launching in August is the next step in that direction.
Alongside the new architecture, we're introducing improved operations and richer attribute types for entities - making working with Arkiv a more organic experience with fewer workarounds.
In the meantime...
Stay tuned to our Discord channel, where we’ll periodically keep you posted on the progress of the transition, and shape of the architecture. Our devs check and respond to discussions here, so feel free to make this a two-way conversation.
Over the coming weeks we'll still be attending events, running ad hoc tests and rolling out access to the new testnet where it helps onboard the next gen of Web3 database builders.
Santiago ( @SantiagoDevRel) and Shantelle ( @shantelleawo) are keen to talk to everyone interested in building on Arkiv, or joining our ecosystem.
More soon.
Marcos Miranda retweeted
Meet the team @SantiagoDevRel @shantelleawo
Our new team, revealed on Discord
🗓️JUL 29 · 4pm CET · Link in comments
⚠️Alpha on Braga Testnet
🪙Info on our Ideathon with $4k of prizes
👩💻Updates from @ETHGlobal 🇵🇹
Join them on our Discord channel 👇
First hackathon on the hacker side. So much fun.
Share your build! If you hacked this weekend, what did you end up with? Drop them below, we wanna see 👇
As for us, we built SureX: an antivirus for MCP servers. SureX reviews them and blocks the bad ones.
@ETHGlobal 🇵🇹 🧵
Marcos Miranda retweeted
Laptops down, your work is done 💻
👏 to @ColoMMiranda @SantiagoDevRel @shantelleawo @t0Marco @defi_hera
🙇♀️ to @worldcoin @ensdomains @SuiNetwork / @WalrusProtocol
💕 to @ETHGlobal & all the hackers here in 🇵🇹
Marcos Miranda retweeted
Today's the day people
👩💻👨💻🧑💻 @ETHGlobal
Our Web3 Database Crew 👇
Product @ColoMMiranda
DevRel @SantiagoDevRel
Ecosystem @shantelleawo
Ops @t0Marco
Marketing @defi_hera
Not even in FC26 career mode I’ve looked this good 😂
Who's in our @ETHGlobal line up? ⚽️
🇦🇷 @ColoMMiranda
🌞 Sunburns easy
👨💻 Loves roadmap chats
🍻 Beer + Web3 database aficionado
Meet him in person, part of the [ A ] Team in Lisbon
Judging mode 🧙♂️
[ARKIV] x @ns Web3 Database Challenge
Join @ColoMMiranda @vrneth and @kosmostasis
Winners Announcement 🏆
Friday 🇪🇺 11am 🇲🇾 5pm
Spaces link below
Marcos Miranda retweeted
Puna Tech builders, the [ARKIV] track is simple:
Build a working AI app on [ARKIV] 🤖
🏆 Win one of 4 prizes
Buidl on Ethereum
Use [ARKIV] for your Web3 Database
In-person only, Salta 🇦🇷 @SaltaDevAr
luma.com/axubi8h9
I’ve heard that the autonomy of the data bus is crazy good.
The Web3 Database Bus is back in 🇦🇷
Next stop: Puna Tech, Salta
AI apps on [ARKIV] 🤖
Join us + tons of great @SaltaDevAr hackers this week
luma.com/axubi8h9















