👑 Bitcoin (BTC) — The Origin
🗓 Launch Year: 2009
👨💻 Creator: Satoshi Nakamoto
🧩 Purpose: Peer-to-peer digital cash, decentralized store of value
⚙ Consensus: Proof-of-Work (SHA-256)
💰 Max Supply: 21,000,000 BTC
🌐 Relation: The parent of the family, all others trace back to its code or chain.
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🍞 Bitcoin Cash (BCH) — The First Big Split
🗓 Launch Year: 2017 (fork from BTC at block 478,558)
📦 Purpose: Faster, cheaper transactions via bigger blocks (8 MB → now 32 MB)
⚙ Consensus: Proof-of-Work (SHA-256)
💰 Max Supply: 21,000,000 BCH
🌐 Relation: Direct child of Bitcoin.
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📜 Bitcoin SV (BSV) — The “Uncapped Block” Child
🗓 Launch Year: 2018 (fork from BCH)
📦 Purpose: Massive on-chain scaling, aiming for enterprise-level apps
⚙ Consensus: Proof-of-Work (SHA-256)
💰 Max Supply: 21,000,000 BSV
🌐 Relation: Grandchild of BTC through BCH.
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💠 eCash (XEC) — The Tech-Upgrade Grandchild
🗓 Launch Year: 2021 (rebrand of Bitcoin Cash ABC)
📦 Purpose: Small payments, staking rewards, Avalanche protocol for fast finality
⚙ Consensus: Proof-of-Work (SHA-256) + Avalanche overlay
💰 Max Supply: 21,000,000,000,000 XEC (trillion units, to make prices smaller)
🌐 Relation: Grandchild of BTC through BCH → BCH ABC.
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⚡ Litecoin (LTC) — The Speedy Cousin
🗓 Launch Year: 2011 (code fork of BTC)
📦 Purpose: Faster block times (2.5 mins), cheaper transactions
⚙ Consensus: Proof-of-Work (Scrypt)
💰 Max Supply: 84,000,000 LTC
🌐 Relation: Cousin — shares DNA but not blockchain history.
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🐕 Dogecoin (DOGE) — The Meme Nephew
🗓 Launch Year: 2013 (fork of Litecoin’s code)
📦 Purpose: Fun, tipping, community currency
⚙ Consensus: Proof-of-Work (Scrypt) — merged mining with Litecoin
💰 Max Supply: Infinite (5 billion DOGE added per year)
🌐 Relation: Nephew through Litecoin.
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🕵️ Zcash (ZEC) — The Privacy Cousin
🗓 Launch Year: 2016 (code fork of BTC)
📦 Purpose: Optional private transactions using zk-SNARK zero-knowledge proofs
⚙ Consensus: Proof-of-Work (Equihash)
💰 Max Supply: 21,000,000 ZEC
🌐 Relation: Cousin — shares code but adds privacy layer.
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🔤 Namecoin (NMC) — The Domain Name Cousin
🗓 Launch Year: 2011 (first fork of BTC code)
📦 Purpose: Decentralized DNS and identity system
⚙ Consensus: Proof-of-Work (SHA-256)
💰 Max Supply: 21,000,000 NMC
🌐 Relation: Early cousin — shares same tech DNA as BTC.
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📜 Summary Theory
BTC is the parent.
BCH and BSV are direct descendants (full bloodline).
XEC is a grandchild with modern features like Avalanche staking.
LTC, ZEC, NMC are cousins (same DNA, new chains).
DOGE is Litecoin’s child, making it BTC’s nephew.
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