Welcome again to Again to Fundamentals Week – the place we pause the charts so everybody can vibe on the basics.
At present we’re tackling the grandaddy of crypto: Bitcoin.
In plain English:
Bitcoin is the primary cryptocurrency: decentralized digital cash that lets individuals ship worth to one another with no intermediary.
It was created after the 2008 monetary disaster, when belief within the conventional system was… cooked.
That 12 months, somebody (or a gaggle) utilizing the title Satoshi Nakamoto revealed the Bitcoin whitepaper: Bitcoin: A Peer-to-Peer Digital Money System.
It proposed on-line cash that may very well be despatched immediately between individuals, without having a financial institution to approve it.
Then on January 3, 2009, Satoshi mined the very first block of the Bitcoin blockchain – the Genesis Block – and embedded a message:
“The Occasions 03/Jan/2009 Chancellor on brink of second bailout for banks.”

Now… how does Bitcoinwork?
Consider it like a shared spreadsheet that anybody can view, however nobody can edit.
Each time somebody sends BTC, the community must reply two questions:
👉 Is that this transaction legit? (Do you really personal that BTC?)
👉 What is the official order of transactions? (So nobody spends the identical BTC twice.)
Bitcoin solves these utilizing two massive items: nodes and miners.
👉 Nodes are computer systems operating Bitcoin software program. Their job is to verify that transactions observe the principles. If a transaction is nonsense, nodes reject it.
👉 Miners are the computer systems that compete to package deal legitimate transactions into the following “block” and add it to the blockchain.
And the best way miners compete is known as Proof of Work (PoW).
Proof of Work is sort of a safety sport: miners race to unravel a troublesome math puzzle. It is arduous to win, and it takes actual computing energy (and power). The winner will get so as to add the following block.
This issues as a result of it makes dishonest ridiculously costly. If somebody wished to rewrite historical past, they’d want insane quantities of computing energy to out-race the complete community.
That is why Bitcoin is taken into account so arduous to mess with.

Now let’s discuss concerning the factor everybody quotes prefer it’s scripture:
Bitcoin has a max provide of 21 million.
That shortage is why individuals name it digital gold:
👉 It is restricted;
👉 It is troublesome/costly to supply (mining);
👉 No one can simply determine to make extra as a result of they really feel prefer it.

Supply: @CryptMikeX
And why does Bitcoin matter?
Properly, it launched a brand new sort of cash system with some wild properties:
👉 Decentralization: no central authority to freeze, censor, or management the community;
👉 Trustless funds: you needn’t belief a financial institution;
👉 Safety: backed by cryptography + Proof of Work;
👉 Shortage: capped provide.
And it proved blockchain might work within the wild – which is why 1000’s of different crypto initiatives exist as we speak.
That mentioned, sure, it does have some points (we’re enjoyable, not delusional):
👉 Scalability: Bitcoin’s base layer would not course of an enormous variety of transactions per second;
👉 Vitality use: Proof-of-Work mining makes use of vital power (massive debate matter);
👉 Regulation: governments nonetheless argue about what Bitcoin needs to be and tax it.
General, Bitcoin is the primary real-world instance of cash that runs on a decentralized community – secured by math, recorded on a public blockchain, and restricted by design.
And it is… lovely 🥹
Loved as we speak’s explainer? Take a look at our earlier editions on buying and selling varieties, CEXs vs. DEXs, sizzling vs. chilly wallets, spot pink flags in a cryptocurrency, what dApps are, how a blockchain works, blockchain varieties, good contracts, and cash vs. tokens.
Catch you Wednesday for one more Crypto 101 version!
Now you are within the know. However take into consideration your pals – they most likely don’t know. I ponder who might repair that… 😃🫵
Unfold the phrase and be the hero you might be!







