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On-Chain Analysis 101

A practical introduction to on-chain analytics: Glassnode metrics (MVRV, SOPR, NUPL), CryptoQuant exchange flows, Nansen smart money tracking, Arkham entity attribution, Dune Analytics, DefiLlama TVL, and Token Terminal — and how to use them to evaluate cycle position.

15 min · advanced · part of Understanding Crypto Markets

Reading the Tape That Cannot Lie

Traditional finance traders famously talk about "reading the tape" — interpreting price and volume data to understand what large participants are doing. In crypto, the equivalent skill is reading the chain. Every bitcoin transaction, every Ethereum transfer, every Uniswap swap is publicly visible and permanently recorded. This produces a flood of data that, properly interpreted, reveals exactly what major holders, exchanges, miners, and protocols are doing in real time. On-chain analysis has matured into a professional discipline with its own vocabulary, toolset, and best practices. The platforms that supply this data have become the equivalent of Bloomberg terminals for crypto: Glassnode for cycle indicators, CryptoQuant for exchange flows, Nansen and Arkham for entity attribution, Dune Analytics for custom SQL queries, DefiLlama for TVL, Token Terminal for protocol financials. This lesson walks through what each of these platforms specializes in, the most useful metrics each produces, and a practical workflow for using them when you need to evaluate where in the cycle the market sits or whether a particular protocol is thriving or declining. The goal is not to make you an analyst overnight but to give you the literacy to interpret an analyst's report and to do basic checks of your own.

Also in this lesson

  • Glassnode: Bitcoin Cycle Indicators
  • CryptoQuant: Exchange Flows and Miner Data
  • Nansen and Arkham: Wallet Attribution and Smart Money
  • Dune Analytics, DefiLlama, and Token Terminal
  • A Practical Workflow for Cycle Analysis
  • For Deeper Reading

Key terms

MVRV (Market-to-Realized Value)
Ratio of market cap to realized cap (sum of every coin valued at last-moved price). Below 1 = bear lows; above 3 = cycle tops. The single most-cited Bitcoin cycle indicator.
SOPR (Spent Output Profit Ratio)
Compares coins' sale price to their last-acquired price. Above 1 = profit-taking; below 1 = capitulation. Has STH (short-term, <155d) and LTH (long-term, 155+d) variants.
NUPL (Net Unrealized Profit/Loss)
Aggregate paper-profit position of all coins. Above 0.75 = euphoria; below 0 = capitulation. Maps crowd psychology to unrealized PnL.
STH/LTH (155-day cutoff)
Glassnode's threshold separating short-term from long-term holders. Coins held <155 days are short-term; 155+ days are long-term. The cutoff is empirically derived from holder behavior patterns.
Exchange Inflows/Outflows
Net movement of coins into or out of identified exchange addresses. Sustained inflows = potential selling pressure; sustained outflows = accumulation/self-custody migration. Tracked by CryptoQuant.
Exchange Reserve
Total balance of BTC or ETH held in identified exchange addresses. Long-term decline is widely viewed as structurally bullish (less sell-side liquidity).
Stablecoin Supply Ratio (SSR)
Ratio of BTC market cap to total stablecoin market cap. Low SSR = lots of stablecoin dry powder available to bid; high SSR = less.
Nansen Smart Money
Nansen's curated cohort of historically profitable on-chain traders. Their aggregate buying or selling is treated as a (non-infallible) market signal. Built on Nansen's database of 500M+ labeled addresses.
Arkham Intel Exchange
Arkham's crowdsourced wallet de-anonymization marketplace. Users post bounties for identifying specific wallets; others bid to provide attribution. Source of much of Arkham's entity database.
Dune Analytics
SQL-based community dashboard platform covering 100+ chains with 3+ petabytes of blockchain data. 1,500+ paying customers; the canonical platform for custom on-chain queries.
DefiLlama TVL Methodology
Documented at docs.llama.fi: TVL = sum of token balances in protocol contracts × CoinGecko prices, with explicit exclusions for same-protocol double-counting and non-circulating supply.
Token Terminal
Crypto analytics platform applying traditional financial concepts (revenue, fees, P/E, P/S) to protocols. The canonical "is this token reasonably valued given cash flow" resource.

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Educational only — not financial advice.