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Igor Barinov: POA Network – Enabling Scaling Through Trust in Public Notaries (#299)

641 views | 6 Aug. 2019

We're joined by Igor

We're joined by Igor Barinov, the tech lead of the POA Network. The POA Network achieves a reduction in transaction costs by many orders of magnitude by having a set of trusted validators. All validators must be US public notaries, so their identities are known and legal recourse against them can be taken in the offchain world. We also talk about the xDai network, which enables Dai transactions on a POA chain: Dai are transferred into a smart contract on the mainnet and then become available to be transferred at much lower cost on the POA Network. Similarly, they can be transferred out of the xDai network and become available again on the mainchain. We talk about use cases, governance, and limitations.

Topics discussed in this episode:

- Igor's background and how he got into blockchain

- The POA network setup and how to become a validator

- What informs design decisions and how to find suitable notaries

- The consensus mechanism on the POA Network

- The role of the POA token

- The xDai network and its purpose

- The role of the DPOS token

- Use cases of POA and xDai Networks

Links mentioned in this episode:

- POA Network website: https://bit.ly/2Td7n8y

- POA products overview: https://bit.ly/2OK9y51

- xDAI Chain: https://forum.poa.network/c/xdai-chain

- POSDAO White paper: https://bit.ly/2YO240t

- Ocean Protocol releases own POA network: https://bit.ly/2YLIVw7

- Beginners guide: What's the POA network: https://bit.ly/2yNTRyB


- StarkWare Sessions: September 16th in Tel Aviv – 20% off with the code EPICENTER - https://epicenter.rocks/starkware

- Trail of Bits: Trust the team at the forefront of blockchain security research - https://trailofbits.com

- Vaultoro: Trade gold to Bitcoin instantly and securely starting at just 1mg - http://vaultoro.com

This episode is hosted by Meher Roy & Friederike Ernst. Show notes and listening options: https://epicenter.tv/299

Xdai Stable

How has this guy not gone to prison yet?

seeDiersoil crossrowds

a notary public is only one witness. A public notary is two witnesses Big difference.

Mia Walker

Have you guys seen igorbarinov.com?

Judy George

This guy is a known scammer

Brian Kerry

Scammer, do not believe a word that comes out of his mouth. He will lose you money and transfer the wealth into his pocket.

Franklin Hubbard

Hey thats who paid for ziggys teeth!

Isabella Walker

Look him up, zero experience, coin is worthless


What is wrong with the comments

Charles Magana

You need to research ppl before interviewing

Richard Dannatt

Guys a fraud

Melissa Hardin

Ziggys Daddy!

seeDiersoil crossrowds


Dennis Gatlin

He has no idea what he is talking about

Vanessa Porter

Russian scammer who leads a coin... PASS

seeDiersoil crossrowds

This guy is still lost. theamericanstatesassembly.net/correct-your-status

Marisol Duke

Unsubbed. He is trash.

Poa network

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POA Network POA Mania using MetaMask iOS & Android App Dapp Browser - Ethereum ETH Based Wallet

280 views | 29 Sep. 2020

Subscribe to my YouTube

Subscribe to my YouTube channel and like the video please!

This is HashGuide back for more How-to videos for cryptocurrency like Bitcoin and Ethereum. This video will guide you into using POA Network's official Dapp called POAMania. POA Mania is a loss-free lottery dapp launched by the POA Core Developers and is funded using POA Network Emission funds that generates 1 POA every block validated by Validators.

Some information on POA Network:

POA is a Proof of Autonomy Consensus and uses independent Validators to secure the blockchain. These independent Validators are all verified US Notary Public Officers. This is the method POA uses to validate the true identity of each individual Validator on the Core Network. POA is an Ethereum side-chain and is the first crypto organization to implement the first truly open source EVM Block Explorer that is up on GitHub for any EVM-Based blockchain to deploy for free. POA foundation is also the first to deploy a cross-chain bridge for Native EVM Chains, ERC20-to-ERC20 Bridge & ERC721-to-ERC721 Bridge to allow multiple side-chains to be bridged with one another, allowing to use other chains for the extended benefits over Ethereum Mainnet.

If you would like to Purchase some POA Coins, please use my referral link to Sign up for Binance Exchange if you haven't already.

Binance Signup:


To Sign up for Crypto.com Wallet to be able to convert your Crypto to USD and fund your Visa Debit Card using BTC, ETH, XRP, USDT and more, sign up using the below link.

Stake 1000 CRO after signing up with my referral link for an Upgraded Metal Visa Card for added Benefits and free offers, also we both receive $50 after stake has been activated for your Premium Metal Visa Debit Card.

Crypto.com Mobile App and Debit Card:


Please Subscribe to my YouTube channel and stay tuned for more informational videos in the crypto & blockchain world.

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LIVE: Demonstrating POA Network Bridge - 1,200,000 Tokens!!! Feat. Igor Barinov (@barinov)

5 747 views | 10 May. 2018



For more videos on how to build decentralized applications on The Ethereum Blockchain: https://www.youtube.com/channel/UCY0xL8V6NzzFcwzHCgB8orQ?sub_confirmation=1

POA Bridge: https://bridge.poa.net

DOWNLOAD FREE VIDEO COURSES: http://www.dappuniversity.com/free-download

The Ultimate Ethereum Dapp Tutorial


Donate Ether to the channel: 0x39C7BC5496f4eaaa1fF75d88E079C22f0519E7b9

Website: http://dappuniversity.com/

Follow me on Twitter (@DappUniversity): https://twitter.com/DappUniversity

Email me: [email protected]



Andrews Alves

The best project. POA Network

As Good


Jeff Flowers

Whoa.... :-)



Alex Tran

wow great. so what does this mean? and what problem does it solved? maybe iam just too stupid. how does moving poa token to etherum network and back make this technology useful ? can anyone help educate me.


Well done. Nice development

Frank Solomon

I'm wondering about the cost in gas. IIRC, it costs gas to write to the Ethereum blockchain. How does the gas price enter into this?

Thank you!

Brandon St. Randy

Actual innovation. Nice to see within the community.