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Strategies & Market Trends
Blockchain and Cryptocurrencies
An SI Board Since December 2017
Posts SubjectMarks Bans Symbol
2858 224 2 BTC
Emcee:  Glenn Petersen Type:  Moderated
A blockchain is a digitized, decentralized and globally distributed public ledger of transactions that is constantly growing as completed blocks (the most recent transactions) are recorded and added to it in chronological order. The Harvard Business Review has described it as “an open, distributed ledger that can record transactions between two parties efficiently and in a verifiable and permanent way.” A blockchain is typically managed by a peer-to-peer network collectively adhering to a protocol for validating new blocks. Once recorded, the data in any given block cannot be altered retroactively without the alteration of subsequent blocks, which requires collusion of all of the other blocks in a chain. All of this happens in an open and transparent environment.

The first blockchain was conceptualized in 2008 by an anonymous person or group known as Satoshi Nakamoto and implemented in 2009 as the core component of the technology underlying bitcoin, where it now serves as the public ledger for almost all cryptocurrency transactions.

Blockchain’s cryptocurrency applications are only the tip of the iceberg of its potential applications. Some observers believe that the widespread adoption of the blockchain technology could potentially be more disruptive than the introduction of the Internet. Some blockchain boosters say that the development of blockchain rivals, in significance, the introduction of double-entry bookkeeping in Renaissance Italy. Blockchain in this context is triple-entry bookkeeping where the third entry is a verifiable cryptographic receipt of every transaction.

Many businesses, from energy to healthcare to food are already exploring and implementing blockchains in an effort to trim costs\ and secure and share information more efficiently. They do so knowing that there very survival may be at stake.

In the summer of 2016, Dan Tapscott, the Co-Founder and Executive Director of the Blockchain Research Institute, delivered a TED Talk on the “Blockchain Revolution.”

How the blockchain is changing money and business

Corporations and individuals can create private “permissioned” blockchains which use an access control layer to govern who has access to the network. In contract to public blockchain networks, the users on private networks are vetted by the network owner.

This board has been created to discuss the underlying technology of blockchain, the potential and actual usage of the technology and, most importantly, the investment opportunities surrounding blockchain. Inevitably, these will include the cryptocurrencies and some casino stock plays that will flare out and crash.

"Software is eating the world" - Marc Andreessen

External resources

Cryptocurrency market caps:

Initial coin offerings (ICOs) market caps:

Satoshi Nakamoto whitepaper (Bitcoin: A Peer-to-Peer Electronic Cash System):

Vitalik Buterin whitepaper (A Next Generation Smart Contract & Decentralized Application Platform):

Blockchain Technology Overview (Draft NISTIR 8202):

Beyond the Bitcoin Bubble (New York Times): Message 31439473

Bitcoin Mania (New York Review of Books): Message 31432686

Understanding the fundamentals of IBM blockchain (Blockchain for Dummies):

Wikipedia entry:



The Block:

Related SI boards

Subject 59173

GBTC: Bitcoin Investment Trust (not an ETF): Subject 59732

Coinbase Global: Coinbase Global, Inc. (COIN) | Stock Discussion Forums (

Riot Blockchain: Riot Blockchain, Inc. (RIOT) | Stock Discussion Forums (

IOTA (which does not use a traditional blockchain technology): Subject 59917

Binance (BNB): Subject 59928

Wagerr (WGR): Subject 59927

Fintech (Cryptocurrencies, ICOs etc.): Subject 59550

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2858Let’s see, you’re designing a welfare plan. The people who now own zero bitcoinElroy-39 minutes ago
2857POW or Confidence This quote in a nutshell, though no longer precise, is entirGraystone-8 hours ago
2856XRP/Ripple news Former US treasurer joins Ripple, laying the foundation for XRP Savant1yesterday
2855You don’t actually own the bitcoin you buy on PayPal. But you can still make a pGlenn Petersen-yesterday
2854How Texas Is Becoming A Mecca For Bitcoin Miners - Bitcoin Magazine: Bitcoin Newlongz-yesterday
2853Bitcoin is coming to hundreds of U.S. banks this year, says crypto custody firm Glenn Petersen-yesterday
2852Galaxy Digital to Buy BitGo in Crypto Sector’s First $1 Billion Deal Purchase cGlenn Petersen1yesterday
2851Isn't any disruptive innovating company in it's early growth years consichowder6Tuesday
2850Bitcoin is a bubble based on speculation - fuelled by greed and stupidity. GreedHarshu Vyas-Tuesday
2849Ethereum hits new record high above $3,400, extending its more than 300% rally tGlenn Petersen-Tuesday
2848S&P DJI Releases Bitcoin and Ethereum Indexes ig-Monday
2847>> BTC is now worth about $1 trillion, and Binance Coin is the third largechowder1Monday
2846OK, BTC is now worth about $1 trillion, and Binance Coin is the third largest crElroy-Monday
2845Ether Hits $3,000 as Bitcoin’s Crypto Dominance Declines By Joanna Ossinger BlGlenn Petersen1Monday
2844I add this link containing several Video of Cardano Africa, there is for all thejaubin1Sunday
2843The new wave of crypto users: migrant workers When traditional exchanges closedGlenn Petersen1Sunday
2842Wagerr x Zed Run PartnershipWagerr & Zed Run are teaming up to provide an inElroy1Sunday
2841Digital Horses Are the Talk of the Crypto World New York Times May 1, 2021 [grGlenn Petersen-Sunday
2840Crypto’s Shadow Currency Surges Past Deposits of Most U.S. Banks Olga Kharif BlGlenn Petersen-Sunday
2839The Truth About COVID-19 Analysis by Dr. Joseph Mercola It doesn’t take much roguedolphin-last Saturday
2838>> We are quickly reaching a tipping point in the acceptance of cryptocurri-node1last Saturday
2837CARDANO AFRICA SHOW Africa is where you will find superior economic growth in tClaude Cormier7last Saturday
2836An interesting strategy. Generally, it is the feds that are burying their targetGlenn Petersen-last Saturday
2835I have no doubt they are going to try to outlaw cryptos but that is apt to be a Glenn Petersen-last Saturday
2834<I> Rather than replacing bank accounts and credit cards, cryptocurrenciesElroy-last Friday
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