Exploring cross-chain composability in a multi-chain world. Composable is a bi-weekly podcast hosted by Alysia and Ellie. Brought to you by Espresso Pods.
In this episode, hosts Alysia and Ellie tackle Ethereum FUD (fear, uncertainty, and doubt) head-on by rolling a special "Ethereum FUD" die—a special piece of swag that Espresso Systems produced for ETHDenver 2025—and discussing common criticisms of Ethereum.
They cover everything from fee structures and L2 scaling solutions to fragmentation concerns and Ethereum's overall direction, diving into whether the FUD is val...
In this episode, Ellie and Alysia dive deep into intent-based bridges, specifically exploring Across Protocol and their proposed Across Prime upgrade. They examine how intent bridges work, their advantages over traditional bridges, and the capital efficiency improvements that Across Prime aims to deliver for solvers (i.e., the liquidity providers that fulfill user intents).
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In this episode of Composable, hosts Alysia and Ellie speak with Orest from t1 about proof aggregation, TEEs (Trusted Execution Environments), L2 security, and how these concepts relate to finality. The conversation explores Vitalik Buterin's recent post proposing a "two out of three" proof system combining TEE proofs, ZK proofs, and Optimistic proofs to enhance blockchain security while improving finality times. Ore...
In this episode of Composable, Alysia and Ellie explore the security of crosschain messages. They examine notable bridge attacks, analyze what makes crosschain messages vulnerable, and discuss various security approaches, including multisigs and Trusted Execution Environments (TEEs). The episode breaks down the technical aspects of securing crosschain messages while considering the trade-offs between speed and usability.
In this episode of Composable, hosts Alysia and Ellie speak with Eda Akturk, a developer advocate at Hyperlane, about intents in general and the recently released Open Intents Framework, specifically. They explore what intents are, how they're changing user experiences in web3, and dive into the collaborative effort behind the Open Intents Framework, which aims to make it easier for developers to build intent-based application...
In this episode, hosts Alysia and Ellie explore the concept of wrapped tokens in the Ethereum ecosystem, discussing their purpose, benefits, and limitations.
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In this episode of Composable, hosts Ellie and Alysia dive deep into the topic of synchronous composability with guest Cecilia, an engineer at Gwyneth Taiko. They explore the technical challenges of reaching synchronous composability, potential implementations to enable it, and the future value it could drive. They also examine why many prominent figures in the crypto space consider synchronous composability overrated...
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In this sixth episode of Composable, Alysia and Ellie explore the question of what it means to "Build Something Real" and the tension that exists today between blockchain's potential versus its current hype-filled reality.
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Is bridging assets between chains real or just smoke and mirrors? Join Ellie Davidson and Alysia Tech as they dive deep into the fascinating mechanics and philosophical questions around cross-chain bridging.
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Join hosts Ellie and Alysia as they discuss the realities of cross-chain bridges, including looking at which are the most used, crypto UX, security tradeoffs, etc. — and then put several bridges to the test in a live demo, bridging assets across Ethereum, Arbitrum, and Base.
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In this episode of Composable, hosts Alicia and Ellie sit down with Maria Shen from Electric Capital to discuss their latest Developer Report that's making waves in the crypto space. They dive deep into how the war for developers is shaping up — with particularly noteworthy data on Ethereum losing out to Solana for most new devs, and a migration of Ethereum devs to working L2s.
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In this episode of Composable, hosts Alicia and Ellie dive deep into the world of blockchain confirmations, exploring the nuances between preconfirmations, confirmations (like those provided by the Espresso Network), and L1 finality. They unpack how these different levels of transaction verification impact user experience and interoperability.
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In the debut episode of Composable, hosts Alysia and Ellie begin with a foundational discussion about composability and its role in shaping Ethereum’s future. In it, they break down:
Introducing Composable, a biweekly podcast exploring cross-chain composability in a multi-chain world. Hosted by Alysia and Ellie, and brought to you by Espresso Pods.
Composable is a bi-weekly podcast exploring crypto's building blocks. Hosted by Alysia and Ellie, and brought to you by Espresso.
Find us on X:
Composable — @composablepod
Alysia — @alysiatech
Ellie — @ellierdavidson
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