Early-stage venture capital fund investing with a biological lens

Joined August 2021
13 Photos and videos
At Gossamer, we backed @ZestProtocol because they understood what it takes to make BTC productive. They built the largest lending protocol across Bitcoin L2s with 800 BTC deposited. L1 lending without sacrificing custody is how Zest Protocol now reaches the entire BTC supply.
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Gossamer Capital retweeted
25 Sep 2025
Signal21 CEO @jsadlowe joins the Stacks Treasury Committee to support the growth of Stacks and the greater Bitcoin economy โฌ‡๏ธ
25 Sep 2025
The next era of Stacks starts now. Today we welcome the Stacks Treasury Committee. A focused group to steward the Endowment, accelerate builders, and grow the Bitcoin economy on Stacks. /๐Ÿงต
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Gossamer GP @jsadlowe shares his thoughts on the @Stacks SIP-31 proposal ๐Ÿ‘‡
SIP-31 gives @Stacks the one thing itโ€™s always lacked: a real budget to match its ambition. @jsadlowe, CEO of @signal21btc, shares why heโ€™s voting yes, and why SIP-31 is a long-overdue catalyst to solidify Stacks as Bitcoinโ€™s leading L2. ๐Ÿ‘‡
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Gossamer Capital retweeted
Tennesseans for Bitcoin! Grateful for all that @SenatorHagerty has done for our industry ๐Ÿซก
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Gossamer Capital retweeted
The Bitcoin Strategy ๐Ÿซก๐Ÿš€ Cc @MicroStrategy @saylor @JetkingLtd @gossamercap @signal21btc @BitcoinForCorps
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Gossamer Capital retweeted
Thank you to @nether_burg , General Partner at @GossamerCap, for speaking with our founders and sharing your insights from working with early-stage teams. Your perspective on how great companies get built made a lasting impression. #BTC #Crypto #Web3
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Gossamer Capital retweeted
6 May 2025
Bitcoin Yield dashboard live on @signal21btc
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Meet Gossamer GP @jsadlowe at @BitcoinForCorps and see how Gossamer is helping LPs generate yield on their BTC holdings
If youโ€™re at @BitcoinForCorps come say hello and learn how @signal21btc and @gossamercap are helping drive the Bitcoin Economy forward ๐Ÿš€ $BTC
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Gossamer Capital retweeted
Xverse Earn is the future of Bitcoin Defi. And we are taking it to the next level. Now you can stake your BTC, earn yield and extra rewards with @build_on_bob 1-click BTC DeFi via Xverse earn. 3M $BOB $5K in BTC are up for grabs. 1/ Here's how๐Ÿงต๐Ÿ‘‡
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Gossamer Capital GP @jsadlowe judging the Buidl Battle and excited about all the talent in the Bitcoin ecosystem!
I'm excited to be a judge for the BUIDL Battle hackathon and see all the incredible solutions by talented Bitcoin builders!
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Gossamer Capital retweeted
The Bitcoin x Ai Founder's Show will be back this week! Join us with @gossamercap founder @jsadlowe and @PressStartCap founder @stevenmeets for a discussion on venture funding in the Bitcoin x DeAi space! Set a reminder now: X-spaces link: x.com/i/spaces/1YpKklBLNzwGj
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Gossamer Capital retweeted
Our program includes many high caliber guest speakers, such as @jsadlowe, investor at @gossamercap. Learn the tools necessary to become a leader in the startup ecosystem! Apply to our program now: btcstartuplab.info/Spring202โ€ฆ
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Congratulations on 1M users @gosatsapp team! ๐Ÿ‘๐Ÿš€
Yesterday, a casual dine out to celebrate 100K Bitcoin and 1M @gosatsapp users
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Congratulations the Zest team on this milestone ๐Ÿ‘ ๐Ÿš€
๐ŸŠ Zest protocol has reached $40M in TVL! ๐ŸŠ zesters are enjoying yield on their deposits and borrow liquidity for their defi strategies. ๐Ÿ”ฅ stay tuned because more assets are coming soon....
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Gossamer Capital retweeted
we heard you like btc yield ๐Ÿ‘€
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The cycle is coming together ๐Ÿš€ $BTC --> $STX (and other Tier 1 Bitcoin L2s) --> Bitcoin L2 Infra & Bitcoin L2 Memes
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Gossamer Capital retweeted
14 Oct 2024
Explore the Developer Activity dashboard on Signal21 โฌ‡๏ธ app.signal21.io/developer-acโ€ฆ
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Congratulations @signal21btc & @domodata ๐Ÿ‘๐Ÿš€
27 Sep 2024
๐Ÿ“ฃ NEWS: Welcome Domo! ๐Ÿ“ฃ Weโ€™re excited to welcome @domodata as an advisor to the Signal21 team! Known for creating the BRC-20 token standard and his expertise as a data scientist, Domo will help Signal21 continue building cutting-edge data solutions across Bitcoin L1 and L2 ecosystems. #Bitcoin #Crypto #DataScience
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Huge congratulations to the @gosatsapp team on this milestone! ๐Ÿ‘๐Ÿš€ 1 million in sight!
We cross 700,000 users โค๏ธ Canโ€™t wait for that 1 Million ! 3 years ago, it seemed an eternity away. SatsPayโ€™s launch provided the catalyst to help cross this milestone. Lots of amazing things being developed @gosatsapp . Canโ€™t wait to discuss it all !
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Huge congratulations to the @VelarBTC team for achieving this milestone! ๐Ÿ‘ ๐Ÿš€
16 Sep 2024
๐Ÿš€ From vision to reality in just one year - Beta Mainnet of Velar Artha, the world's FIRST PerpDex on Bitcoin, is LIVE on @build_on_bob! For first-time ever, trade Bitcoin-native perps: - Up to 10x leverage - Bitcoin Finality - Non-custodial security The future of trading is here. Ready to dive in?
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