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With Artit Wangperawong (Founder/CTO, Runs), Pan Wangperawong (Founder, Cristodaro).
Monday, May 21, 2018 at 06:00 PM   Absolutely Free
Google HQ, 75 9th Ave, 2nd Fl

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REGULAR MEETUP: Protocol Buffers, Blockchain, & gRPC, plus Government & Technology!=================================================6:00pmDoors Open

6:30pmProtocol Buffers & gRPC (Speaker: Bob Hancock, Staff Developer Advocate)

Protocol buffers are Google's language-neutral, platform-neutral, extensible mechanism for serializing structured data think XML, but smaller, faster, & simpler.

gRPC is Googles open source remote procedure call system that is based around the idea of defining a service, specifying the methods that can be called remotely with their parameters & return types.

We will present an overview of what these two technologies are, how they work together, & how you can benefit from them.

Bob Hancock is a Staff Developer Advocate for the AdWords API & a founder of the Original New York Google Developers Group.


Blockchain & smart contracts (Speaker: Artit Wangperawong, CTO & team, see biography

Part 1We describe the essence of blockchain technology & how it is uniquely poised to disrupt swaths of industries. In particular, blockchain allows untrusting parties to perform validated transactions between each other. The burden of validation is distributed among the distributed & decentralized network that underlies blockchain technology. As a result, control is more representative of network participants, eliminating the need for a centralized authority or company. Despite its promise as a technology disruptor, the transaction time & fees limit its practical use & application. New innovations in blockchain technology addressing these limitations will be discussed.

Part 2 (Speaker: Pan Wangperawong (Co-Founder of, see biography at

We delve into the world of smart contracts & specifically discuss the Ethereum blockchain. A smart contract is the evolution of cryptocurrency to encompass logical execution of code based on conditions & events of the universe as perceived by the blockchain network. As a cryptocurrency can be expressed as a smart contract, the Ethereum network can be a platform for minting new algorithmically controlled currencies without deploying a entirely new blockchain. Smart contracts on the Ethereum network are programmed natively in Solidity. We address practical issues with smart contracts & how the blockchain ecosystem is continually evolving to meet the needs of the community.

8:00pmGovernment & Technology (Speaker: Ralph Yozzo, Running Computer Programmer)

A discussion of how we in the tech community can help government better serve the public with transparency & cost effectiveness. For example, New York City is a growing city & our city needs good technology to scale otherwise the costs will skyrocket. This discussion will show what is currently the state of big cities such as New York City's budget via open data & hopefully will foster a discussion of how we in the tech community can help build a better future.

8:15pmLightning Talks & Discussion

Please email if you have ideas for Lightning talks.

8:30pmDoors Close

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