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What are Altcoins?

Dispatches from D47K

October 18, 2025

Posts and notes on trust, blockchains, and the messy history in between.

AltcoinsTokensValuation

Beyond Bitcoin

Altcoins are every crypto asset that isn’t Bitcoin. Some promise faster payments, others power smart contracts, games, storage, AI, or niche experiments. The label is a catch-all—payment coins, governance tokens, NFTs, stablecoins, exchange tokens, and plenty of speculative clones all sit in this bucket.

Price alone is misleading. A token trading at $0.05 can be “bigger” than a $2.00 token if its supply is huge. Market cap (price × circulating supply), liquidity, and the unlock schedule tell you more than sticker price.

Why so many flavors?

New chains fork old code, tweak block times or fees, or add smart-contract layers. App builders issue tokens to bootstrap users or fund development. Communities spin up meme coins to rally attention. Each reason adds another altcoin to the pile, whether or not the world needed one.

Bitcoin stays narrow—store of value and settlement. Altcoins scatter across use cases: payments (Litecoin), privacy (Monero, Zcash), smart contracts (Ethereum, Solana), exchange tokens (BNB), gaming tokens, social tokens, and more.

Altcoin buckets (quick view)
Type Purpose Examples Common risks
Payment Transfers, fees LTC, XLM Low fees ≠ demand
Smart contract Gas / L1/L2 base ETH, SOL, MATIC Scalability, MEV, security
Privacy Hide sender/amount XMR, ZEC Reg pressure, liquidity
Exchange / utility Fees, rewards, staking BNB, OKB Centralized control
Stable Pegged value USDC, USDT, DAI Custodial/peg risk
NFT / social Unique items, access PFPs, tickets Hype cycles, illiquidity
Different buckets, different risks. “Altcoin” just means “not Bitcoin.”

Utility tokens

Utility tokens pay for a specific network’s services—gas, storage, in-app items, staking fees, or priority access. They’re sold in ICOs/IDOs or distributed to users. They rarely grant ownership; their value depends on real usage, not the marketing deck. If daily active users and fees are thin, the “utility” is mostly hope.

Stablecoins

Stablecoins (USDC, USDT, DAI) aim to hold a steady peg, usually $1. Some are fully collateralized by cash and treasuries; others rely on crypto collateral or algorithmic balancing (riskier). They’re not investments; they’re on-chain cash and rails for trading and payments.

Governance tokens

Governance tokens let holders vote on protocol parameters or treasuries. In practice, large holders and delegates steer most proposals. Voting power can centralize quickly if early insiders keep big stakes.

Security tokens

Security tokens represent an investment—equity-like rights, profit shares, or claims on assets. They sit under securities laws. Liquidity is often limited because exchanges need the right licenses to list them.

NFTs

NFTs are unique tokens for art, collectibles, tickets, game items, or identity credentials. They’re not interchangeable like fungible coins. Value rests on provenance, community, and what the NFT unlocks (access, rewards, in-game powers).

“Cheap per token doesn’t mean small. Always check supply and market cap before you gamble on ‘under $1’.”
— On altcoin sizing

How to size an altcoin

Circulating supply: How many tokens trade today. If only 10% is live and 90% unlocks later, selling pressure may arrive when cliffs hit.

Fully diluted value (FDV): Price × total supply. FDV shows the “priced-in” valuation once all tokens unlock. A low price with a huge total supply can still mean a massive FDV.

Liquidity: Thin order books mean price spikes and crashes on small trades. Check volume and depth, not just market cap.

Inflation/issuance: Staking rewards or emissions increase supply over time. If demand lags, price drifts down as new tokens hit the market.

Red flags to notice

Vague use case: If the token’s only purpose is “number go up,” it’s speculation dressed as utility.

Heavy insider unlocks: Team and investor cliffs that release big chunks can crush price if demand is weak.

Centralized control: If a multisig or small group can freeze, mint, or change rules at will, risk is higher than the “decentralized” marketing suggests.

Copy-paste forks: Quick forks with no new features often chase hype cycles; most fade once attention moves on.

Due diligence quick list

Read the docs. Check if code is open source and audited. Look at active users, fees, and on-chain data—not just headlines. Map the unlock schedule. See who holds the largest wallets. Understand what the token actually does and whether that function needs a token at all.

Where altcoins fit

Altcoins are experiments—some useful, many forgettable. They bring new design ideas (programmable money, governance, stable payments, digital ownership) and new risks (centralization, exploits, hype-driven crashes). Treat them as high-variance bets, not default savings.