Fredrik Harrysson

Episode 43: Hudson Jameson talks EIPs and Ethereum core decision-making

September 19th, 2018  |  53 mins 26 secs

blockchain, core devs, decentralised governance, eips, ethereum, governance

In this episode, Anna chats with Hudson Jameson about how he got involved in the space, the EIP process, and the challenges of decision-making in the decentralised space.

Episode 42: ETHPrize & Open Source Block Explorers

September 12th, 2018  |  46 mins 10 secs

In this episode, we sit down with Mitch Kosowski, director of product at ETHPrize, and Andrew Cravenho, project leader at POA Network. We cover ETHPrize bounties, the way that pain points in the community are identified, and the open source block explorer that POA Network is building with an ETHPrize bounty.

Episode 41: Zokrates with Jacob Eberhardt

September 5th, 2018  |  50 mins 14 secs

developer tools, ethereum, tech talk, zero knowledge proofs, zokrates

In this episode, we had a chance to speak with Jacob Eberhardt about his work on Zokrates, a programming language & toolbox for zkSNARKS on Ethereum.

Episode 40: Benedikt Bünz on Bulletproofs and Verifiable Delay Functions

August 29th, 2018  |  59 mins 59 secs

blockchain, bulletproofs, cryptography, tech, zero knowledge, zero knowledge proofs, zero knowledge research, zksnarks

In this episode, we speak to Benedikt Bünz, the author of Bulletproofs, about this zero knowledge proof system as well as about Verifiable Delay Functions.

Episode 39: Matthew Di Ferrante on the security of blockchain clients

August 22nd, 2018  |  54 mins 52 secs

blockchain, security

In this episode, we speak with Matthew Di Ferrante of the smart contract auditing firm Zero Knowledge Labs about security in the blockchain.

Episode 38: Intro to zkSNARKs with Howard Wu

August 15th, 2018  |  55 mins 47 secs

blockchain, dizk, libsnark, privacy technology, starks, zero knowledge, zkproofs, zksnarks

In this episode, we sit down with our friend Howard Wu to explore zkSNARKs, the challenges in the application of this awesome technology, the new ideas emerging for how to scale them and his latest work on DIZK. Howard was an early member of Blockchain at Berkeley, is the co-author of Libsnark, and is a managing partner of Dekrypt Capital.

Episode 37: Sharding Update With Prysmatic Labs

August 8th, 2018  |  55 mins 8 secs

blockchain, ethereum, pos, prysmatic labs, scaling ethereum, scaling solutions, sharding, side chains

In this episode, we sit down with Raul & Preston from Prysmatic Labs to discuss sharding, the evolution of the spec, Ethereum 2.0, what happens to a side chain during a hard fork, and whats coming up for this important scaling solution.

Episode 36: Eric Tang of Livepeer talks off-chain computation

August 1st, 2018  |  50 mins 12 secs

blockchain, ethereum, livepeer, off-chain computation, truebit, video streaming

In this episode, we speak with Eric Tang from Livepeer about the need for off-chain computation, what scenarios make sense for on-chain and what should be done off-chain. We also discuss how Livepeer fits into the ecosystem and how they aim to help more people livestream in a decentralised way.

Episode 35: Testnets with Ethan from Tendermint

July 25th, 2018  |  47 mins 2 secs

blockchain, cosmos, kovan, polkadot, rinkeby, ropsten, testnet

In this episode, we sit down with Ethan (Bucky) Buchman, co-founder & CTO of Tendermint, to talk about testnets. We look into what they are, what purpose they serve and cover examples from Bitcoin, Ethereum, Cosmos and Polkadot.

Episode 34: Blockchain 101: What are smart contracts?

July 18th, 2018  |  43 mins 26 secs

blockchain, dapps, security, smart-contracts

In this episode, we dig into the topic of smart contracts with our guest James Prestwich. We explore what the term smart contract means, where it comes from, some use cases and some of the new challenges that come along with it.

Episode 33: Open Source Incentivization and Sustainability with OSCoin

July 11th, 2018  |  1 hr 5 mins

blockchain, github, incentivization, open-source

In this episode, we sit down with Ele and Alexis from OSCoin to talk about what they are building and the general problem of open source incentivization.

Episode 31: Blockchain 101: Blocks & Block Headers

June 27th, 2018  |  36 mins 38 secs

blockchain101, blockheader, intro to blockchain, tech education

In this introductory episode, we discuss what makes up blocks and block headers. We also cover a bit about state vs history, what exactly makes up a transaction and do a tiny intro to a Merkle Tree.

Episode 30: Open Organizations & Governance with Colony

June 20th, 2018  |  51 mins 18 secs

colony, dao, decentralized web, governance, organisation, smart-contracts

In this episode, we speak with Jack du Rose and Aron Fischer from Colony about governance and open organizations.

Episode 29: The DAO, the white hat hacker group & Giveth with Griff

June 13th, 2018  |  51 mins 48 secs

In this episode, Griff Green shares his story about The DAO, the white hat hacker group & Giveth

Episode 27: Zeppelin and a chat about upgradability

May 30th, 2018  |  47 mins 33 secs

auditing, dapps, smart-contracts, solidity

Coming to you from Buenos Aires this week, we sit down with Demi and Facu from Zeppelin Solutions to talk developer experience, upgradability and their experience building and auditing safe smart contracts.

Episode 26: What and why of eWasm with Lane and Alex

May 23rd, 2018  |  48 mins 42 secs

blockchain, ethereum, ewasm, programming-language, smart-contracts, vm, wasm

In this episode, Fredrik sits down with Lane Rettig and Alex Beregszaszi from the eWasm team at the Ethereum Foundation to talk about WebAssembly (Wasm).