Relay Chain

Building Blockchain Social Networks with Subsocial

September 17th, 2021  |  1 hr 3 mins

blockchain, polkadot, substrate, web3

This week, Jorrin Bruns (Polkadot Integration Specialist, Parity Technologies) is joined by Subsocial’s founder and Polkadot Ambassador Alex Siman, and Zachary Edwards, Subsocial’s content lead and community manager. Subsocial is an open protocol for decentralized social networks and marketplaces, and this episode explores the world of social networks on blockchain, through the eyes of the Subsocial team.

Creating Your Own Metaverse with Bit.Country

June 11th, 2021  |  52 mins 13 secs

blockchain, ethereum, polkadot, substrate, web3

This week we’re joined by Bit.Country, a Substrate-based decentralized world with a game-like feel that puts community at the forefront. Bit.Country lets anyone create their own decentralized virtual country and grow their own community.

Joe Petrowski on Imagining a Brighter Future with Polkadot and Web3

April 8th, 2021  |  41 mins 15 secs

blockchain, polkadot, substrate, web3

After a short hiatus, we’re back this week with a new co-host joining the podcast, Jorrin Bruns (Support Engineer, Parity Technologies). In this episode, Jorrin turns the tables and interviews Joe Petrowski (Technical Integrations Lead, Web3 Foundation, and Relay Chain co-host) about the future of the podcast, Joe’s journey from the aerospace industry to professional cycling to Web3, and how blockchain innovation brings together diverse interest groups. They discuss the potential for Polkadot and Web3 to realize a propian future, breaking down surveillance capitalism through decentralized governance, infinitely scalable parachains (so-called hierarchical or nested relay chains), and building a decentralized economy of robots powered by Polkadot.

Polkadot-Ethereum Compatibility with Moonbeam

September 23rd, 2020  |  37 mins 17 secs

blockchain, ethereum, polkadot, substrate, web3

This week we dive into cross-network compatibility and interoperability between Polkadot and Ethereum. Joe Petrowski (Research Analyst, Parity Technologies) speaks with Derek Yoo of Moonbeam, an Ethereum-compatible smart contract parachain built on Substrate for Polkadot. They discuss Moonbeam and how it works, the role of smart contracts on Polkadot, the difference between Moonbeam and Ethereum layer-2 solutions, and the future of cross-network interoperability.

Blockchain for Climate Action and Smart Cities

April 23rd, 2020  |  38 mins 4 secs

blockchain, polkadot, substrate, web3

This week we meet at the intersection of blockchain, climate action, smart cities, finance, and IoT. Joe Petrowski (Research Analyst, Parity Technologies) speaks with Anita Mujumdar of Evercity, a blockchain-based platform to aid in financing sustainability projects to meet the UN’s 2030 climate action goals. They discuss climate finance, decentralized robot economies, using measurement and data to build the sustainable smart cities of tomorrow, and how Substrate and Polkadot are helping make Evercity’s mission a reality.

Investing in the Future of Web 3.0

March 26th, 2020  |  38 mins 13 secs

blockchain, polkadot, substrate, web3

How do you place a value on a more open, transparent, and representative web? What will be the true impact of blockchain technology and what motivates VC investments in the space?

In this episode, Joe Petrowski (Research Analyst, Parity) talks with Jasmine Zhang of IOSG Ventures, an early-stage venture fund investing in the blockchain space. They discuss the future of web 3.0, the impact that open finance and prediction markets will have on society, the potential impact of Polkadot and Substrate, and the broader blockchain investment scenario.

Innovating Blockchain-Based Accounting with Totem

March 12th, 2020  |  48 mins 47 secs

blockchain, polkadot, substrate, web3

Why is the “black art” of accounting still stuck in the 20th century, and how can blockchain technology make it more efficient?

In this episode, Joe Petrowski (research analyst, Parity Technologies) speaks with Chris D’Costa and and Toufiqur Chowdhury of Totem Live Accounting, a blockchain-based accounting system. They discuss why today’s accounting practices are so inefficient and how blockchain technology can improve them. Find out how Totem is innovating accounting for the 21st century, how the project fits into the Polkadot ecosystem, and why the team decided to build on the Substrate blockchain framework.

Designing Universal Basic Income and Trusted Execution Environments

January 30th, 2020  |  41 mins 40 secs

blockchain, polkadot, substrate, web3

How do you design an effective universal basic income scheme on the blockchain? What are trusted execution environments, and how can they be used to enhance privacy?

In this episode, host Joe Petrowski (Research Analyst, Parity) speaks with Alain Brenzikofer of encointer, a blockchain-based universal basic income (UBI) system, and Supercomputing Systems, which is developing the SubstraTEE trusted execution environment (TEE) framework.

Democratizing Access to Wealth Creation: Tokenized Securities on Polymesh

December 19th, 2019  |  49 mins 50 secs

blockchain, ethereum, substrate, web3

What are the benefits of tokenizing regulated assets, and how might it revolutionize the world of finance?

In this episode, Joe Petrowski (Research, Parity) is joined by Adam Dossa, Head of Blockchain at Polymath, a security token platform currently building a custom blockchain on Substrate called Polymesh. They discuss the world of tokenized securities and the promise this area of decentralized finance holds for democratizing global wealth creation. Dossa also explains Polymath’s reasoning for moving from Ethereum to the Substrate blockchain building framework.

Building a Custom Blockchain with Substrate

December 5th, 2019  |  37 mins 38 secs

blockchain, ethereum, polkadot, substrate, web3

What is it like to develop on the Substrate blockchain building framework, and what resources are available to developers? How different is it from developing Ethereum smart contracts?

In this episode, Joe Petrowski (Research, Parity) is joined by Shawn Tabrizi and Joshy Orndorff from the Developer Experience team at Parity Technologies, where they help developers building or interested in building on Substrate, regardless of experience level.