The Product Manager’s guide to the Blockchain — Part 1
If you are reading this post, you perhaps already know what a blockchain is. If not, here is an interesting movie by the World Economic Forum on what the blockchain is today and could be in the very very near future.
Over this past year I took a keen interest in understanding cryptocurrencies such as bitcoins and quickly realized that while digital currencies were powerful, the technology that powers them — blockchains, could switch the face of how business is done. Read More
The hack attack that takes your computer hostage till you pay
WILLIAM BRANGHAM: Inna Simone is retired, a mother and grandmother from Russia who now lives outside of Boston. Last November, her home computer commenced acting strangely.
INNA SIMONE: My computer was working terribly. It was not working, I mean, it was so slow. Read More
Shadow of the Colossus (PS3 HD version played)
During the truly epic and touching final hour of Shadow of the Colossus (SotC), my mind began to run wild with ways to tackle a review, what would be my very first review. Why had I never felt this inclination before? Had it all of a sudden hit me; after seven years did the numerous Game of the Year award winner and “exhibit A” of the “Games are art” argument eventually touch me? Read More
It is actually remarkably difficult for a layperson to find out precisely what cryptography Bitcoin uses, without consulting the source of Bitcoin directly. For example, the opcode OP_CHECKSIG, ostensibly checks the signature of something. but there is no indication what kind of signature it checks! (What are opcodes in Bitcoin? Read More
How the blockchain will enable self-service government
[i]This article was taken from [i]The WIRED World in two thousand sixteen — our fourth annual trends report, a standalone magazine in which our network of pro writers and influencers predicts what’s coming next. Be the very first to read WIRED’s articles in print before they’re posted online, and get your forearms on explosions of extra content by subscribing online.[/i][/i]
The Blockchain for Education: An Introduction
Is blockchain poised to be “the next big thing” in education?
This has become a question I hear with enhancing frequency about a technology that, up until fairly recently, was primarily associated with the cryptocurrency Bitcoin. The subtext to the question, I suppose: do educators need to pay attention to the blockchain? Read More
Welcome to the Blockchain Academy
Training and consulting on blockchain and cryptocurrencies in South Africa and various other countries. We train attendees about the opportunities that exist and how to use this technology in order to innovate and better prepare for the future.
Our next course is the Bitcoin and Blockchain Beginner Course being held in Johannesburg on twelve September 2017.
The outcome of this course is to provide individuals with a general overview of bitcoin and the blockchain. Attendees will learn more about what bitcoin is, its history, how to use bitcoin: storing bitcoin in a wallet, buying and selling bitcoin on an online exchange, as well as sending and receiving bitcoin from one person to another without the need for a trusted third party.
The course also provides an overview of the blockchain: how transactions are stored on the blockchain, how mining works through consensus, the differences inbetween permissioned and permissionless blockchains and why these differences are significant.
The course further explains current use cases and opportunities this technology provides in terms of include clever contracts, payment rails, immutable ledger, proof of ownership, remittances and micro-transactions. It also discusses alternatives to bitcoin and the bitcoin blockchain.
The course touches on current regulation and compliance globally and in South Africa.
This course provides attendees with an insight into the future of this technology in terms of innovation and disruption of existing traditional systems and processes.
Module 1: Introduction
- Money and currency
- Digital currencies explained
- History of Bitcoin
Module Two: The Blockchain
- 101 of the blockchain
- How are transactions stored on the blockchain
- What Bitcoin mining is
- Permissioned and permissionless blockchains
- Side chains
Module Trio: Using Bitcoin
- Where and how to get bitcoins
- How to store bitcoins in a wallet
- How to send and receive bitcoins
- How to trade bitcoins on on-line exchanges
- Bitcoin pricing and volatility
Module Four: Bitcoin Security
- Security issues and the pseudo-anonymity of Bitcoin
- Security measures such as multi-signature transactions
- Backing up and restoring wallets
Module Five: Bitcoin Scalability, Risks and Limitations
- Transaction volumes and block sizes
- Block propagation speed
- Proof of Work efficiencies
- Mining pools and centralisation
- Mining prizes and incentivisation
- Wallet theft
- Regulatory friction
Module 6: Use Cases and Opportunities
- Payment rails
- Immutable ledger
- Coloured coins and digital asset ownership
- Time-stamped records
- Proof of ownership
Module 7: Merchant Acceptance
- How to integrate Bitcoin as a payment method
- Benefits of using Bitcoin as a payment method
- Payment processing companies
- Verification of transactions on the blockchain
- Successful case studies
Module 8: Bitcoin Compliance and Regulation
- Regulation globally and in South Africa
- Bitcoin compliance
Module 9: The Future of Blockchain
- Bitcoin for remittances in emerging economies
- Digital currencies and financial institutions
- Digital currencies and innovation
- The value of Bitcoin and the blockchain as a technology
- Alternatives to Bitcoin and the blockchain
The Bitcoin Faucet Part 1
After the very first article How to get free Bitcoins – The Bitcoin Faucet List, I have determined to write about Bitcoin and Altcoin Faucets on a more regular basis because there is just so much information to cover!
I would very recommend reading the other article very first if you are fresh to Bitcoin, Altcoins and Faucets because the information here might make little sense. Read More
The Bitcoin Bubble and the Future of Currency
A few days ago, the value of all the bitcoins in the world blew past $1 billion for the very first time ever. That’s an incredible achievement, for a purely virtual currency backed by no central bank or other authority. It’s also improvised: we’re in the middle of a bitcoin bubble right now, and it’s only a matter of time before the bubble bursts. Read More
The eighteen companies that control bitcoin in 2016
The race is on. Alexander Hassenstein/Getty Pics
Flashy startups like Coinbase, Circle, Blockchain, and BitPay are some of the most famous companies in bitcoin.
But arguably more significant are the miners вЂ” individuals and organisations who form the core backbone of bitcoin, ensuring the digital currency’s integrity. Read More