Student-run organization at UC Berkeley focused on blockchain innovation via education, research, and consulting. Established 2016.

calblockchain.eth
see you there!
The next killer app on Mantle could be yours to build. And there’s no better place to start than @CalBlockchain’s B@B Hacks 2.0 on Oct 11, where top hackers are coming together alongside @withAUSD, @Ripple, @Gemini, @Lighter_xyz and more. Come get the inside track on building on Mantle, plus merch. Register now: partiful.com/e/FESXDGMiAnHSW…
4
938
[B@B 10 YEAR ANNIVERSARY] 🎊 10 years ago, a group of Berkeley students came together to learn about Bitcoin and educate each other on a technology they believed could change the world. They probably didn’t know that, a decade later, that little group would blossom into one of Berkeley’s top tech communities and bring together some of the most ambitious, thoughtful, kind, and absolutely cracked people we know. Over the last 10 years, B@B has been home to some insane startups and even crazier ideas. But more importantly, it’s given us lifelong friendships, unforgettable memories, and a ridiculous amount of laughter along the way. B@B turned 10 this year, and one reunion simply wasn’t enough. So, in true blockchain fashion, we forked it, hosting anniversary celebrations on both coasts and bringing together alumni from across a decade of B@B. Some highlights: - A photo wall of 10 years of our most wholesome moments, walking down memory lane - Custom engraved Ledgers for our alumni made by our own @DivijMot @createdbymason - A tres leches “10 Years of B@B & Boujee” cake courtesy of former-pres @Ridddhiiii - Lots of old lore, reunions, and questionable stories resurfacing
8
16
89
6,698
@CalBlockchain had a great time this weekend running Berkeley's Robotics Hackathon! 🦾 Some project highlights: > Robots emulating actions from egocentric video > Post-trained VLAs for automated food consumption > Raspberry Pi based rover for monitoring plant health Big thank you to all attendees and our partners World Context, @ElevenLabs, Praxis Robotics (YC S25), @Lovable, @concentrateai, and the Berkeley Haas Entrepreneurship Program. Check out the projects below 👇
10
6
55
2,668
Special thank you to our headline partner @WorldContext_ 🦾
1
161
Berkeley robotics talent has been waiting for this one... We're excited to host the Berkeley Robotics Hackathon with World Context, with support from @ElevenLabs, @Lovable, & Praxis Robotics (YC S26) Come and hack with humanoid robotics, SO101s, and win cash prizes! Spots are extremely limited. Apply below 👇
5
10
47
4,782
How secure is your crypto in cold storage? 🔐 We sat down with Charles Guillemet (@P3b7_), CTO of @Ledger, to discuss hardware wallet security, post-quantum cryptography, and exploit-resilient agentic payments. Full podcast out now. 🎙️
10
6
74
21,308
A team of three @CalBlockchain members! Couldn’t be prouder of @sanjayamirthraj @notolegv and @ajiang_xyz!!
Excited to announce @fliptexts’ $1.4M pre-seed, and that we’ve joined @a16z @speedrun! When @notolegv, @ajiang_xyz and I started building in January, we were stunned at how outdated money apps still are. So we built the finance-expert friend we always wished we had: one that fits you, earns its place, grows into the job, and lives just one text away. My financial life doesn’t look like anyone else’s. I’ve managed six figures for a school club, spent my formative years trading crypto, and I’m still too shy to ask my roommates to pay me back for WiFi. Flip starts by automating my monthly roommate bill, checking my wallets before I think to, nudging me to use my Dunkin credit before my Amex benefits expire, making sure my retirement accounts are stable, watching my cloud bills, scanning to see if my Netflix membership is *really* worth it, and finding discounts on late night food delivery. We're making sure that no matter what your goals are with money: saving more, or making more, Flip is there to help you achieve that. Couldn’t be more excited to build this with our partners @a16z @speedrun @andrewchen @emilybenn12 @tkexpress11 @samshank @ndrewlee @RKRigney @thehousefund @daveybloom @jfiance @pearvc @khalil_fuller @zfellows @cory
3
2
32
2,905
Blockchain at Berkeley retweeted
Replying to @CalBlockchain
time and money savings about to be o̶f̶f̶ on the (block)chain
1
1
11
861
Excited to announce @tryramp as the official finance partner of Blockchain at Berkeley. From our consulting team to every B@B Xcelerator cohort, Ramp is now the default for corporate cards, bill pay, and stablecoin accounts. One platform for fiat and on-chain — the way it should've always been. Get started → ramp.com/partners/blockchain…
22
9
81
19,674
What this means for our founders👇
1
12
972
We’re hosting with Mantle! Join us for an evening with Emily Bao, Spot Executive of Bybit, Key Advisor to Mantle, a distribution layer for RWA, and Founder of Byreal, as she shares the unfiltered story behind her journey across three of Web3's biggest shifts. Sign up here ⬇️ luma.com/o7ie11v0?tk=lKyXO5
2
9
4,984