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Strategies & Market Trends
Blockchain and Cryptocurrencies
An SI Board Since December 2017
Posts SubjectMarks Bans Symbol
2394 150 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

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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2394A deep dive into Cardano coinmarketcap.comClaude Cormier-an hour ago
2393Claude... was reading on Twiter that Charles H let it slip that a Africa governmEl Ringo-yesterday
2392Well I can only suggest that you continue to study cryptocurrencies to solve youClaude Cormier1Saturday
2391<i>Well it looks like Microstrategy will never stop buying Bitcoin with itElroy-last Friday
2390Well it looks like Microstrategy will never stop buying Bitcoin with its incominClaude Cormier-last Friday
2389No sorry. I am not buying gold. I prefer buying gold stocks.Claude Cormier-last Friday
2388[tweet]DinoNavarre-last Thursday
2387Proposed Crypto Wallet Rule Among Those Frozen by Biden Pending Review - CoinDesSavant2last Thursday
2386Crypto Crime Summarized: Scams and Darknet Markets Dominated 2020 by Revenue, BuGlenn Petersen-last Wednesday
2385Blackrock gearing up funds to invest in bitcoin Jan. 20, 2021 1:49 PM ET BitcoinJulius Wong1last Wednesday
2384Claude or anyone else: are you familiar with crypto PAX Gold? paxos.combistineau_la-last Wednesday
2383Biden SEC pick is no stranger to crypto Kia Kokalitcheva Axios January 19, 2020Glenn Petersen1last Tuesday
2382[tweet]DinoNavarre1last Tuesday
2381has a ADA Cardano chart at bottom 321gold.comEl Ringo-last Tuesday
2380<i>Bottom line is that crypto is still waiting for the killer app which wiElroy-last Monday
2379Elrond and the New Crypto Spaces by Alex Tabarrok Marginal Revolution JanuaryGlenn Petersen1last Monday
2378Mark Cuban: Crypto 'Exactly' Like Dot-Com Bubble — Expects Bitcoin to SuClaude Cormier2last Monday
2377All of that talk talk talk is fine, but why don't they just say "OK, leElroy1January 17
2376Rebuttal ThereMike Hardy-January 17
2375[tweet]DinoNavarre1January 17
2374An interesting article. Thanks for posting it. It could be accurate. Tether haGlenn Petersen1January 16
2373A fascinating proposition. I don't know what to think about it. If true, 25Claude Cormier-January 16
2372I think that if the BTC holders really want to move to fiat, they are likely to Claude Cormier-January 16
2371WoW! What a change to have the POS blockchains heating Bitcoin's lunch in tClaude Cormier1January 16
2370What's your opinion about this article calling Tether a scam, and talking abTimF3January 16
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