February 20, 2018

Portland Blockchain Bootcamp [Mar 10-April 1, 2018] Blockchain Training | Bitcoin Training | IT Training | Ethereum | Solidity | Hyperledger | Distributed Ledger | Smart Contracts | Cryptocurrency | Cryptocurrencies

Portland Blockchain Bootcamp [Mar 10-April 1, 2018] Blockchain Training | bitcoin Training | IT Training | Ethereum | Solidity | Hyperledger | Distributed Ledger | Smart Contracts | Cryptocurrency | Cryptocurrencies
Features & Benefits 8 sessions, each session of 2 hours spread over 4 weeks 16 hours of LIVE Instruction spread over 4 weeks Training material with lab exercises provided Each session is recorded and recordings are provided to students over Microsoft Cloud Build a real-life blockchain application Take this survey to save $50 off the published ticket price Next class starting: March 10, 2018 Course dates: March 10 – April 1, 2018 Weekly Schedule Saturday and Sunday, every week 8:30 AM – 10:30 AM (US Pacific Standard Time) each day Please confirm your local time Video Conference Link Will be sent upon registration and payment Training Provider: Omni212 Omni212 IT Training https://www.omni212.com/services/training/ Course Overview This course starts as a level 100 course for beginners and builds up into a level 200 course. The course provides an overview of the Blockchain technology including its history, evolution and the future. Students learn about bitcoin, which is powered by blockchain technology, bitcoin mining, other cryptocurrencies such as Ethereum, Block, Hash, cryptography, how to develop a simple blockchain application. Why Blockchain? Blockchain is once in a lifetime revolutionary technology that was invented after the 2008 financial crisis. bitcoin is powered by the Blockchain technology. There is a lot of hype around bitcoin. However, the technology behind bitcoin, Blockchain is here to stay and is the biggest technology revolution after the internet. Blockchain transactions are secure, immutable, hacker-proof, protect privacy. Why Blockchain Training? Just as computers and internet have taken over our lives, Blockchain is going to be a part of our everyday life in the coming years and decades. Blockchain Training will help you understand the underlying mechanisms of bitcoin transaction systems, Ethereum & Hyperledger. Together with learning to setup your own public/private blockchain environment, you’ll also master the concepts like Cryptography & Cryptocurrency, Blockchain Networks, bitcoin Mining & Security, Multichain, developing smart contract on Ethereum & Hyperledger Platform. Why Blockchain training from Omni212? Our Blockchain training is very hands on. Our training material and lab exercises have been prepared by Blockchain pioneers. Since blockchain technology is continuously changing, we are constantly updating our curriculum to reflect the latest advancements in the Blockchain technology. Our students are provided with class recordings, training manuals and lab exercises on Microsoft Cloud. Who can take this course Anyone aspiring to learn new technology can take this the course. Students and professionals interested in a career in the blockchain technology should opt for the course. Other professionals who should take this course are: Banking/Finance professionals Software developers Corporate Executives looking to connect corporate strategy to technology Government Executives looking to better understand Blockchain opportunities High school & college students Supply Chain Managers CEO's, Boards, and Senior VP's Entrepreneurs looking to launch a blockchain technology startup Consultants and Professional Service Providers Prerequisites Programming knowledge is desired but not required. It would be nice if you already have knowledge of Python, JavaScript, NodeJS and ReactJS. Those who have no programming knowledge will still get a lot of value from taking this course just as a beginner would learn a lot from watching someone cooking a meal or changing a flat tire. What will you learn in this course In this course you will learn to: Define Blockchain Technology, in your own words Understand the implications of Blockchain technology for your life, job and how it could potentially impact your business and industry. Understand blockchain use cases and industry potential of Blockchain technology. Enable you to have intelligent conversations about Blockchain Technology with your customers, co-workers, business colleagues and friends You will learn to develop a strategy to prepare your business or your clients for the emerging Decentralized Economy Join a community of economists, business leaders, entrepreneurs, and technologists that are shaping this technology as we speak. Identify which aspects of Blockchain Technology seem most important and relevant to you Walk away with a strong foundation in where blockchain is going, what it does, and how to prepare for it Course Objectives After completing this Training, you should be able to: Understand the importance of Blockchain technology Perceive, how bitcoin transactions are validated by miners Create and use bitcoin account effectively Have a deep insight into bitcoin and its network Understand Ethereum blockchain Comprehend the cryptography and cryptocurrency concepts Learn Solidity: Prominent language to develop smart contracts Deploy your private blockchain on web where you can visually see your chains Develop private Blockchain in MultiChain Discuss the compelling use-cases of the blockchain Interpret the prospects of blockchain Assess, how blockchain can improve your business standards Course Outline Blockchain, Cryptocurrency, bitcoin and Ethereum Overview Blockchain Technology and Architecture Blockchain Data Structure, Distrubuted Ledger, Decentralization, Storage and Mininig, Security & Encryption Software Development with Blockchain and Ethereum Blockchain Use cases and applications Blockchain and Digital Wallet Blockchain and Smart Contracts Private and Public Blockchain Blockchain Disruptive Use Cases and applications Learn How to Build a Blockchain App Different types of blockchain Hyperledger Multichain Openchain Corda IOTA Refund Policy 1. There are no refunds.2. If for any reason the course has not been taken, class is cancelled or rescheduled, the payment can be applied towards any future course by Omni212.
starting on 2018-03-10 11:30:00

Address:
Instructor led Online | Video Conference
Omni212
Portland
United States

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October 25, 2017

Trustlessness in Action: Particl's Model

“Trustlessness” is a term often
quoted as a feature of blockchain technology but what does that mean and is absolute
zero trust a myth or really true? Praised as one of the characteristics that
make the blockchain so revolutionary, a trustless system is one where two peers
can enter a virtual hand shake agreement, i.e. smart contract, without relying on a
trusted third party to facilitate.

Blockchains are good at being
permissionless and having decentralized tasks that are recorded on an auditable
ledger, yet not all blockchains are completely trustless, and achieving full
trustlessness is challenging if not impossible. Even
an open-source project like bitcoin that is constantly being reviewed can have
trust issues, not from the code but by the developers and reviewers of the
code. So trustlessness is more of a term describing an ideal state on the
blockchain where code is law with the caveat that humans write code and to err
is human.

Before looking at how a fully
trustless blockchain can be implemented by privacy advocates like Particl — an open-source project that is building
a decentralized ecommerce application on the blockchain — let’s look at the
obstacles standing in the way.

I Trust
You, Until I Don’t

We’re conditioned to think of
trust as a good thing. Traditionally, positive human relationships have
required a level of trust. From an economic perspective, however, trust has significant
downsides.

The greatest drawback is that trust
can be broken. When you engage in a transaction with someone you believe to be
trustworthy, but then they fail to deliver the promised goods or services, you
suffer. In
addition, trust is not efficient. It has to be cultivated and you have to
invest time in evaluating how much another party can be trusted before you
engage in a trade.

Blockchain technology can be
leveraged to overcome the risks and inefficiencies that are associated with
trust. With
the right approach, it’s possible to make reliable transactions on the
blockchain without knowing or trusting the person or group you are dealing with.
That is because the blockchain can be used to enforce good behavior.

In Particl’s case, by creating
a simple smart contract, you can ensure that if one party in a transaction
fails to uphold their end of a deal, the blockchain can automatically cancel
the transaction or punish the misbehaving party in another way. In effect, this
feature makes it impossible for a malicious user to profit by taking advantage
of the trust that another user places in them without inflicting harm on
themselves as well.

The
Trustless Challenge

If you buy or sell something
using bitcoin, you don’t automatically gain protection against being cheated: default
bitcoin transactions are non-reversible. The ability of the blockchain to
enable transactions that are both trustless and reliable is difficult because
it needs to be done without the intervention of a third party. In conventional
trading contexts, transactions are typically policed by a central authority that
evaluates claims about broken trust and responds accordingly. For example, if a
seller cheats you on eBay, you can complain to eBay and request a refund. These
authorities also charge fees or percentages of sales revenue whether they are
used or not.

The downside to this approach
is that it compromises privacy. In order to provide this protection against
broken trust, a platform like eBay oversees transactions. It knows what buyers
and sellers are doing. With a two-person trustless escrow, in contrast, reliable
transactions can be implemented without the oversight of a third party. You
don’t have to lose privacy to gain reliability.

The tricky thing about
achieving true trustlessness on a privacy-focused blockchain is that it doesn’t
happen by default. Although multiple times more efficient than building trust
in public, smart contracts still need to be signed and the exchange of goods or
services still needs to happen. The beauty is that an agreement can be made and
successfully carried out even if one or both parties don’t fully trust each
other.

A Trustless
Solution

Particl leverages bitcoin as
the underlying blockchain protocol, but adds privacy enhancements that make it
possible for users to perform transactions that are trustless, reliable and
private. In an innovative development, PART transactions do not require users
to write smart contracts themselves. Instead, this feature is built into the
platform.

Central to Particl’s approach
to trustless transactions is mutually assured destruction (MAD) escrow. MAD
escrow is a special type of smart contract that prevents either party from
profiting in the event that one cheats during a transaction.

In addition, because the smart
contract is enforced automatically via the blockchain, Particl developers play
no role in overseeing transactions. Their platform guarantees privacy while
achieving trustlessness at the same time. Two people from anywhere in the world
can enter into a binding agreement that is only finalized when both agree it is
completed.

Blockchain technology’s promise
is that users are no longer bound by the inefficiencies and risks associated
with trust in order to make transactions. Most blockchains, however, do not yet
implement truly trustless transactions. Particl is an exception, as it was developed
with trustlessness at its core from the start. Particl developers aim to “square
the circle” by delivering trustless ecommerce without compromising reliability
or privacy.

The post Trustlessness in Action: Particl's Model appeared first on Bitcoin Magazine.

November 10, 2018

Interview: Power Ledger’s Jemma Green on Using Blockchain to ‘Power the World’

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April 9, 2019

Sparkswap raises $3.5 million to build a crypto exchange on Bitcoin Lightning Network

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