This article has been translated from English to Gen Z Slang.
Yo, what's a blockchain? 🤔
So like, a "blockchain" or "blockchain tech" is a totally rad new way of saving data online that makes it like, waaaay tough to change it once it's there. 🙅♂️
Bitcoin and a bunch of other cryptos depend on blockchain magic to do their thing. To vibe with crypto, you gotta get what blockchain’s all about. 💡
Picture this: a blockchain is a decentralized databank spread across a peer-to-peer (P2P) network you can peep in real-time. 📡
It basically keeps tabs on who owns what. 🏷️
Most regular databases have a big boss who can tweak the entries. A blockchain switches it up ‘cause literally nobody’s in charge. 🙅♀️
Anyone can add stuff as long as they follow the rules. But once it’s added, it’s locked in for life. 🔐
Imagine if a blockchain was like a database, but it stacks its info differently, you feel me? 🌟
In this sesh, we're breaking down what a blockchain is, how it doin', and why it's kinda lit. 💥
What is a blockchain? 🤷♂️
Okay, in like the most basic terms: a blockchain's just this extra-special database that’s storing info (aka "data") across a bunch of computers in a way that’s hella tough to mess with. 💾
You can stash any type of data in a blockchain, depending on what blockchain it is and what it’s into. ✨
It's like a favorite for logging cryptocurrency stuff. 💸
Take Bitcoin for example; its blockchain holds the deets on transactions like the receiver’s address, sender’s address, how much BTC, and the “when” (aka timestamp). ⏰
What’s cool is how it’s organizing all this info. 🌈
The data's saved in "blocks". 📦
You add these blocks using some special guidelines (that’s the "consensus mechanism"). 🗝️
These blocks join up in a straight-line order… making a “chain of blocks” or “blockchain”. 🔗
A bunch of linked blocks creates the structure of a blockchain. 📚
Blocks link using two things:
- A hash: A one-of-a-kind string of letters/numbers summarizing all a block’s data. You mess with the data? The hash changes. 🔢
- A hash of the previous block. A new block auto-includes the previous block's hash as part of its own data. It can’t make its own hash without the history. #ChainCreatin'.
Once a block is born, a hash gets generated. A block's hash is like its personal ID print. 🆔
If “hash” sounds like ancient hieroglyphics, hit up my “Beginner’s Guide to Hashing“ for the deets. 📜
Think of the hash as the block's ID number. 🔍
But to whip up that ID, it needs the one from the block before it. It’s a whole teamwork thing. 🤝
Since blocks gotta stack up "one over the other", envision a blockchain going vertical like a block tower. 🏢
Rotate that tower in your noggin, and it’s a side hustle tower…
Or like a choo-choo train… 🚂
Well, you got it:
See, every block references the one before it, so you can follow that link back to the OG block ("Genesis Block"). 🚀
With blocks lined up chronologically, a blockchain’s “append-only“. New data’s cool, but existing info can’t be changed or yeeted out. 🚫
The way blocks are interlinked means changing one block means altering all the related ones. It’s nearly impossible to tamper with old data. 🛡️
For instance, like that block ID hash pic earlier:
This chain’s got 102 blocks in length. Or technically, a “block height” of 102.
Block #101's hash even features Block #100's hash.
If Block #100’s data gets tweaked, its hash switches up, altering Block #101’s hash, right up to Block #102. 🚧
Change one bit of Block #100 and it dominoes to make every following block No Bueno. You can’t just sneakily tweak a block in the blockchain. 👀
Data is “immutable” which is fancy-speak for it’s locked and loaded. It’s tough to make changes. 🔒
When it’s part of the blockchain, it’s visible for all homies across the network. 🌐
A blockchain is spread all over a P2P network. This means nobody runs the show. It’s a cross-globe collab with computers (we call them “nodes“). 🤝That's why it's no walk in the park altering blockchain data, yo. 🐾
To change the data and have it as the new "official" version, you’d have to swap your copy on your PC and convince over half of all the nodes in the Bitcoin zone to do the same. 🤯
TL;DR…it’s mad hard. 💀
How does Bitcoin rock a blockchain? 🎸
Bitcoin was low-key first in using blockchain tech successfully. 👏
No internet, no TikTok. No blockchain, no Bitcoin. 🎭
This whole blockchain thing was brainstormed to let Bitcoin breathe. 👶
People sometimes call ‘em “the blockchain,” though…
But FYI, there's no singular, solo blockchain. 🌍
Blockchain tech serves different styles, so tons of blockchains exist from assorted parties. 👯♂️
For instance, “Bitcoin’s blockchain” is different from “Ethereum’s blockchain”. They’re both crypto crazes but do their own thing. 💃
Satoshi Nakamoto whipped up blockchain to bust two problems:
- How can you ensure no one’s double-dipping their digital $$? Basically, how can peeps make sure their e-cash sent isn’t shooting off in two spots at once? 💸
- In an online crew where y’all don’t know or trust each other, how do you squad up on what’s true? Like finding consensus without a middleman or big boss? 🙌
Bitcoin’s blockchain: bosses tell people whose BTC is whose. 👨🏫
Blocks = “chain of blocks". 📚
Each block packs transactions and records Bitcoin address flips. 🔄
A “block” bonds fresh deal details. 🧾
As trades go down, they’re block-chained and booted in chronological order. 🔥
Picture the blockchain like a “book” storing every Bitcoin network trade ever made, scribing each transaction “page” when BTC jumps hands. 🕮It tracks transactions, so Bitcoin’s blockchain often gets tagged a “decentralized distributed ledger“. 🏷️
Sounds techy, but here's the lowdown:
- A ledger is transaction track record, a word accountants dig. 🧮
- A distributed ledger is a ledger shared and shown to multiple squad members. 🎊
- A decentralized ledger is that ledger shared but with zero big boss dictating what's up. 🕵️
Bitcoin flexes the blockchain as a ledger for its trade memory, so anyone can peep and confirm it's unfudged. 👀
Each Bitcoin node totes a full blockchain story, syncing up with nodes for up-to-date happenings. 🔗
New trade drops or block births? Network nodes get the 411 hot and fresh. 🔥
Nodes DIY verify new trades with Bitcoin rules, no side-eye middlemen needed. 🦄
Over 50% node acceptance needed for trades to be blockchain-ready. No shadiness can slip by without network OK. 👊
Satoshi didn’t use “blockchain” verbatim. In his OG white paper, “block” pops up 67 times, “chain” 27, but zip on “blockchain” or “block chain”. 🧐
What's the diff between blockchain and Bitcoin tho? 🤔
Blockchain and Bitcoin might be peanut butter and jelly, but Bitcoin ain't blockchain. 🙅♂️
Blockchain’s the tech alchemy behind Bitcoin. It’s the CP for crypto’s continuity. ⚡
Bitcoin is the muse sparking blockchain’s move. 🎨
With 2009 Bitcoin release came the first live example of blockchain in action. 🔛
Blockchain makes Bitcoin track all swaps without needing a middleman. 📲
No blockchain, no Bitcoin; yet they're night/day partners. 🌘
Bitcoin pioneered, but loads of other cryptos rock their blockchain. 🚀
Other blockchain homies: Ethereum, Binance Smart Chain, Cardano, Cosmos, Solana, Polkadot, and Avalanche. 🌐
Blockchain vs. distributed ledger, what gives? 🤓
"Blockchain" and "distributed ledger" might be tossed around like one's the other, but they're cousins, not twins. 💁♀️
Blockchain = organized and connected data focus. Data hits slots (“blocks”) and then hooks in a timeline lineup. 📜
Distributed ledger, aka “Distributed Ledger Technology” (DLT) = focuses on data share among network's VIPs ("nodes"). 🔄
The ledger relocates. It’s mirrored through globally scattered nodes. 🗺️
Distributed ledgers don’t require a blockchain-style tie-up to say they're “distributed”. 🤷♂️
They share deets with network-wide computers instead of chilling on a centralized throne. 🖥️
A blockchain is a DLT flavor, but it’s just a singular option in the DLT lineup. Think all blockchains are DLTs, but not vice-versa. 🎭
Jus’ like all iPhones are smartphones, but not all smartphones are iPhones. Or how all Kardashians are influencers but not all influencers pull wild stunts like Kardashians. 😜