Gridless

Today we’re announcing a developer release of the Jua Kali Miner - an open source project that allows farmers and small industries to make use of their excess solar energy to mine Bitcoin. With a live demo at #abc25

Excited about this. Gridless has moved into the new campus this week, with @btrustteam, @HRF, and @fedibtc joining us. Also welcoming the @minmo_to and Nuru teams as we together create a community of builders of energy, compute, and freedom tech in Nairobi!

a million dollars worth of real bitcoin sent out monthly to 400+ open source contributors in 40+ countries 🌎 our hearts beat strong 🫡 heartbeat.opensats.org

The 256F mission is simple. Build the open-source mining stack. One company controls Bitcoin's mining infrastructure. We fund developers dismantling it. Open mining projects that anyone, audit, and build upon. Support our developers with a vote! foundation.mara.com/vote

We caught up with @obi from @satenetorg here at @TheBitcoinConf and put him on the spot: “Why SateNet—and how would you use the $100,000?” Here’s his answer:

Strategic investment. $100M hardware commitment. LuxOS on WhatsMiner. Luxor's COO @ethan_vera broke it all down live at @TheBitcoinConf — plus flexible demand response, international mining growth, and where hashrate is heading next.

@GridlessCompute @whiteafrican Fully open source. Built from AliExpress parts. Works on any excess energy source. Solar in Zambia. Wind in Montana. Flare gas in Texas. Same idea, different inputs. Full conversation with @whiteafrican: youtube.com/watch?v=GLYW2G…

Built to outlast the cycle

We started Minmo because we watched the same thing happen in community after community. People wanted Bitcoin. They couldn't access it through exchanges — no bank account, no ID, no technical confidence. But they had something better: they had someone in their community who understood Bitcoin and was willing to help. Those people were doing incredible work. 💬Facilitating swaps over WhatsApp. 🤝Managing trust manually. 💪Taking real risk with no safety net. We thought: what if those people had professional tools? What if they had escrow? Dispute resolution? A swap link they could share? A wallet they controlled? That's why Minmo exists. ⚡️ To equip the people who are already doing this work and to help thousands more join them.

Buried at the bottom, but this is great: “Proto Fleet is free, open-source fleet management software, being built in the open on GitHub”

Have to do a bit of rework when replacing Whatsminer’s with Antminer’s. Busy field day today.

Good afternoon, everyone. We have an exciting update to share. The Nairobi conference is evolving. We are moving forward as an independent, Africa-led event under our own identity - the Bitcoin Nairobi Conference 2026. Same dates. Same venue. Same energy. Just a sharper, more locally rooted version of what we set out to build. This is a Bitcoin conversation designed for Africa, by Africa - real adoption, real policy, real economic impact. The acacia says it all. June 24 to 25. A.S.K. Dome, Nairobi. More details coming very shortly. Stay close.

@boyacaxa @tando_me How do you figure? It’s just an off ramp for spending bitcoin. There isn’t a wallet.

@tando_me @GridlessCompute PayPal clones 🚩❗

A new and improved Tando is just around the corner! We've listened to all your amazing feedback and have been working on a refresh of your favorite bitcoin spending app. Here's a preview of what's to come and a call to any heroic Sats Spenders that want early access. 🧵👇

@tando_me Whoa, that's a lot of upgrades, looks amazing!

We really hope you like the new design, the new features, the new preferences, the faster bitcoin payments and soon the new Tando in your country. We are actively looking for a few people to help us test this new version very soon, so if that's you, please drop a comment or a DM if you would like to help us test out the new version. Thanks to each and everyone of you for being a part of this journey! It's been real honor to serve you and in helping us all make Bitcoin the greatest Medium of Exchange humans have ever had!🧡🧡

Let’s take it back to #ABC2025, when @gladstein shared a powerful perspective on how Africa can move beyond aid dependency. “We are not going to get out of this aid dependency system, if we are borrowing more.” - Alex Gladstein He went further, saying: “what if we lived in a world where there was one currency, any nation can convert their energy resources to it.” Save the date for #ABC2026, 2–5 December 2026, Blantyre, Malawi. #ABC2026 #Bitcoin #Africa

Proud that HRF has been able to support this over the past few years What an awesome project

Great progress!

The @adoptingbtc_nbo media day is happening. Good to hear from some of the real bitcoin builders and community members using it in Kenya. @tando_me @AfribitKibera @bitika_KE and @bitsacco representing.

The @adoptingbtc_nbo media day is happening. Good to hear from some of the real bitcoin builders and community members using it in Kenya. @tando_me @AfribitKibera @bitika_KE and @bitsacco representing.