

Built on Bitcoin with Jacob Brown
Jake
Interviews with the best founders building on Bitcoin. Jacob takes an open-minded approach and talks with builders from all corners of the Bitcoin ecosystem.
Episodes
Mentioned books

Apr 12, 2024 • 49min
Innovative Bitcoin Ordinal Lending with Robin Obermaier | Co-Founder of Liquidium
Ordinals have been huge for Bitcoin since launching early 2023. There is $100's of millions in value locked in these digital artifacts.
Liquidium allows users to borrow BTC using their Ordinal as collateral and lenders can earn a BTC yield lending to borrowers.
Robin is the CEO and Co-Founder of Liquidium.
Follow Robin on Twitter: @robin_liquidium
Take a loan on Liquidium: https://www.liquidium.fi/

Apr 8, 2024 • 60min
Bitcoin Weekly: Marathon Miner Fees, Custodial Lightning, BitVM & Is DeFi even worth it?
Another weekly chat of the latest in Bitcoin land. We have two special guests drop in this week. Philip from Arkadiko and Ian from Joltz Rewards, as well as the usual suspects Bob and Jacob.
We Discuss:
- Marathon Pools latest fee revenue coming way above average
- Lighting + Coinbase
- Custodial Lightning
- Is DeFi a worthwhile goal?
- Is BitVM safe?
Follow these gents on Twitter:
@BobBodily, @ian__major, @philiphacks and @jakeblockchain.

Apr 5, 2024 • 35min
Comparing Runes & Taproot Assets with Linden Stark - CTO at Joltz Rewards
Fungible tokens and digital collectibles are hot topics on Bitcoin. This year we saw BRC20's and Ordinals take off. Now in 2024, there are two new standards being launched that aim to replace many of the shortcomings of these previous attempts. Linden Stark breaks down Taproot Assets and compares the similarities and differences between this protocol and Runes.
Linden Stark is the CTO at Joltz Rewards. A Lightning-powered rewards provider and non-custodial Taproot Assets wallet.
Follow Linden on Twitter: https://twitter.com/0xLinden
Check out Joltz Rewards: https://joltzrewards.com/

Mar 26, 2024 • 55min
Mempool Sniping, MEV on Bitcoin, Private Mempools & Game of Blocks with Charlie Spears, Bob Bodily, Donny, Jacob
In this chat we discuss:
- The growing problem of mempool sniping and what to do.
- MEV on Bitcoin
- Private Mempools
- Game of Blocks
A relaxed and wide ranging chat with Charlie Spears, Bob Bodily, Donny and Jacob Brown.

Mar 21, 2024 • 59min
Anduro: A Bitcoin Sidechain Ecosystem with Jullian Duran - Product Lead at Marathon Digital Holdings
The halving is right around the corner. Miners have to adapt to the revenue reduction and stay profitable. That's what we're talking about today with a new initiative Marathon, a large public Bitcoin miner, is starting called Anduro. Creating an ecosystem of sidechains with Bitcoin at the center.
Follow Jullian on Twitter: @jullian0701
Check out MARA: https://www.mara.com/
Learn more about Anduro: https://www.anduro.io/

Mar 18, 2024 • 51min
Bitcoin Kickback Show: BRC20 "2.0" vs Runes, OPI Indexer Upgrades, How Runes Transfers Work
Latest Bitcoin Kickback chat with the gang!
We discuss:
- Charlie Spears joins Blockspace Media
- OPI Indexer Upgrades
- BRC20 "2.0" vs Runes
- How Runes Transfers Work
- Long-Term Viability of Fungible Tokens on L1

Mar 1, 2024 • 42min
Rootstock in Bitcoin Season 2 with Daniel Fogg - CEO of IOV Labs
Rootstock is an OG of the Bitcoin L2 space. They were the earliest in the market to focus on merge mining, EVM compatibility, and Bitcoin DeFi. In this interview, Daniel talks about the growth and what is happening within the Rootstock ecosystem as we go into this 2024-2025 cycle.
Curious where Bitcoin L2s are going?
You'll want to listen to this one.
Follow Daniel on Twitter: @danielfogg
Learn more about Rootstock: https://rootstock.io/

Feb 23, 2024 • 48min
Mercury Layer: Statechains Explained with Nicholas Gregory - Co-Founder of Mercury Layer
Scaling Bitcoin is hard. Statechains are one potential way to scale it in a cheap and private way with minimal people to trust. Nicholas and his team at Mercury Layer are at the bleeding edge of developing Statechains.
Follow Nicholas on Twitter: @gregory_nico
Learn more about Mercury: https://mercurylayer.com/

Feb 19, 2024 • 58min
Bitcoin Weekly Chat - Merlin Chain, Runes, Universal Bitcoin Symbol
The usual suspects of Charlie, Donny, Bob and I discuss latest Bitcoin topics:
- Merlin Chain. New Bitcoin L2.
- Latest Runes Alpha
- The Universal Bitcoin/Sats Symbol
- EVMs as Bitcoin sidechains
- Rootstock as the best EVM sidechain
Follow Charlie: https://twitter.com/cbspears
Follow Donny: https://twitter.com/itsdonnyok
Follow Bob: https://twitter.com/BobBodily
Follow Jake: https://twitter.com/JakeBlockchain

Feb 16, 2024 • 52min
Non-Custodial Multi-Layer Swaps with Kilian - Co-Founder of Boltz Exchange
Moving from chain to chain is a pain in the ass. Layer on custodian risk and this area is ripe for better solutions. That was Boltz is working on with their non-custodial cross-chain/multi-layer swaps from different Bitcoin focued chains. Kilian is the co-founder of Boltz.
We discuss:
- How he got into Bitcoin?
- The benefits of building things non-custodial
- Using L2s to solve Lightning scaling problems
and much more!
Follow Kilian on Twitter: @kilrau
Check out Boltz at https://boltz.exchange/


