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Strategies & Market Trends
Blockchain and Cryptocurrencies
An SI Board Since December 2017
Posts SubjectMarks Bans Symbol
4017 242 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:

Estimated cost of Gas transactions: 28-22 Gwei | GAS NOW - ETH Gas Price forecast system

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

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

Decrypt: Your guide to Bitcoin, Ethereum & Web 3.0 - Decrypt



The Block: The Block - The first and final word in digital assets (

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

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4017[tweet] Valve bans blockchain games and NFTs on Steam, Epic will try to make itGlenn Petersen-8 hours ago
4016Grayscale Files to Convert their Bitcoin Fund to Spot ETF - CryptosRuslongz1yesterday
4015Breaking: SEC Quietly Approves Another ETF On A Friday - CryptosRuslongz-yesterday
4014<b>a great application for a blockchain</b> Last week my daughter aTriffin1yesterday
4013This report on the institutionalization of bitcoin is dated February 2019 and giT'Munney-yesterday
4012NO!!!! 8000!....... 200 BitcoinATMs installed at Walmart… with plans for 8,000 longz-last Friday
4011Is this real?...BITCOIN IS FAKE!...IT CAN'T BE!--->> Walmart Shoppers longz-last Thursday
4009Worth a third opportunity. Among the highest privacy concerns for some is theT'Munney-last Thursday
4008JPMorgan says inflation concerns, not ETFs, driving Bitcoin price jump (cointelelongz-last Thursday
4007WATCH THIS VIDEO 4-5 TIMES...LET IT SINK IN...--->> From: T'Munney 10longz-last Thursday
4006Houston Firefighters Pension Fund Makes Bitcoin, Ether Purchase ( Thursday
4005PayPal co-founder Peter Thiel says he ‘underinvested’ in Bitcoin (cointelegraph.longz-last Thursday
4004AP Taps Chainlink to Provide Untamperable News Data The Associated Press has paGlenn Petersen-last Thursday
4003Yep! The U.S. dollar 'as we know it' will be dead in 10 yrs, bitcoin rogermci®1last Thursday
4002Hut 8 has executed on a $58.7 million USD purchase of 12,000 new MicroBT M30S, Mlongz-last Thursday
4001Following Bitcoin’s all-time high, DeFi TVL hits a record high above $233B (coinlongz-last Wednesday
4000Why Grayscale’s CEO Believes The SEC Will Greenlight An Ethereum ETF | Bitcoinislongz-last Wednesday
3999An excellent Ted talk by the now CEO of Arcane extolling the virtues of blockchaT'Munney2last Wednesday
3998BITO Bitcoin ETF Becomes Fastest ETF Ever To Hit $1 Billion AUM | Nasdaqlongz-last Wednesday
3997BREAKING: $2.2T asset manager PIMCO plans to buy more crypto ( Wednesday
3996LOLOL!!!!--->> Facebook plans to change company name to focus on the metavlongz-last Wednesday
3995OMG! LOL!... Senators pressure Facebook to ‘immediately discontinue’ Novi walletlongz-last Wednesday
3994IMF!!!....LOL! I WONDER IF THEY WILL BUY MORE BITCOIN! LMAOFF!!!! Bitcoin Is Parlongz-last Wednesday
3993No brainer--->> [graphic]longz-last Wednesday
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