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Strategies & Market Trends
Blockchain and Cryptocurrencies
An SI Board Since December 2017
Posts SubjectMarks Bans Symbol
5765 237 1 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.

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 (

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: Subject 59550

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ReplyMessage PreviewFromRecsPosted
5765Bitcoin Coders Feud Over Whether to Crush $1 Billion Frenzy for Memecoins -- ExGlenn Petersen-6 hours ago
5764#1 Bitcoin #2 Gold #3.....>> 5 Investments Warren Buffett Avoids (Invest longz-Saturday
5763Wall Street prepares to take on established crypto companies Traditional financGlenn Petersen-last Wednesday
5762Ledger addresses wallet problem Ledger Recover Fiasco Exposes Gap Between BlockSavant-May 25
5761Hong Kong's SFC Set to Finalize Rules for Crypto Exchanges, Accept License Alongz-May 23
5760benzinga.comSavant1May 23
5759A husband hid $500,000 in bitcoin during a divorce — and got busted by a crypto Glenn Petersen1May 20
5758Australian stock exchange says software overhaul won't involve blockchain BGlenn Petersen-May 20
5757Nigeria’s digital currency can’t compete with crypto The government-backed eNaiGlenn Petersen-May 18
5756Tether to invest up to 15% of its profits in bitcoin by Yogita Khatri The BlocGlenn Petersen-May 17
5755JP Morgan re: Gensler **hypocrites...this from Dimon that threatenedSavant-May 15
5754BNB...$315 What Is Binance Coin (BNB)? All About BNB Coin ( 15
5753What do you call a tomb full of money? A crypt-o-currency.russet3May 15
5752Don't listen JUST BUY GOLD, SIMPLE!!Goose941May 14
5751DeSantis signs bill keeping central digital currency out of Florida | WFLA wflaSavant-May 12
5750Man Buys Ferrari With Bitcoin, Gets 18-month Prison Sentence - Blockworks blockSavant-May 12
5749There was significant news out of China Monday, as at 3 AM eastern time, they efthreedrives-May 12
5748How much Cryptos are Central Banks buying or none at all?Goose94-May 11
5747Yes back by gold. Gold is still King!!Goose94-May 11
5746I agree. But public blockchain technology is now the best technology to support Claude Cormier1May 11
5745Is it safe to keep gold in home in Canada? Keeping a lot of gold in your home clongz-May 11
5744Can I leave Canada with gold? There are no restrictions on the amount of money longz-May 11
5743Why did Canada sell all its gold? it was decided there were better ways to storelongz-May 11
5742Can gold be confiscated in Canada? [graphic] Can your gold be seized by the golongz-May 11
5741Why are Krugerrands illegal? [graphic] In 1985, the United States Raegan longz-May 11
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