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Building on the Lightning Network ($5)

  • Blockchain Capital 440 Pacific Avenue San Francisco, California United States (map)

Join Blockchain Capital and Radar Relay for an evening filled with product demos, a pitch competition, and panel discussion with members from Sparkswap, Radar Relay, OpenNode, and Bitrefill.

Building on the Lightning Network, hosted by Blockchain Capital and Radar. Ft. Pitch Competition, Panel Discussion, and Lightning App Demos.

About this Event

Lightning Network developers and enthusiasts, join us for an evening exploring the Lightning Network. This event features a pitch competition, Lightning panel discussion, and app demonstrations.

If you’re working on a Lightning app, apply to pitch at the competition here:

As space is limited, tickets are $5; when you arrive at the event with a Lightning wallet, you'll receive a coupon for $5 worth of Bitcoin on the Lightning Network.



5:00 - 6:00pm Food, drinks, Lightning wallet setup

We'll help you onboard to the Lightning Network and walk you through the various options!


6:00 - 7:30pm Lightning App pitch competition


  • Ben Davenport (Blockchain Capital)

  • Jimmy Song (Blockchain Capital)

  • Lisa Neigut (Blockstream)

  • Caleb Tebbe (Radar)


7:30 - 8:15pm Panel discussion: Building on Lightning

Moderator: Steve Lee from Bitcoin Optech


  • Trey Griffith (Sparkswap)

  • Brandon Curtis (Radar)

  • Joao Almeida (OpenNode)

  • Sergej Kotliar (Bitrefill)


8:15 - 9:00pm Hands on demo


  • Bitrefill

  • Sparkswap

  • Radar ION

  • More TBA



  • Please come prepared with a (mainnet Bitcoin) Lightning wallet. It may take some time to select, install, and fund the wallet, so take care of this before you arrive to ensure that you can participate in the demos and pitch competition voting. For wallet recommendations and setup guides, head to