Ethereum Gas Pulse
Source: the eth_feeHistory method of a public Ethereum node, no API key. 24 points over the last 1,024 blocks — about 3 hours, updated every 30 minutes. Safe / Propose / Fast are the base fee plus tips at the 10th, 50th and 90th percentile.
The fee is the price of space in a block. It rises when users compete for the queue: a popular mint, a sell-off on a DEX, liquidations in lending protocols. Expensive gas therefore often appears before the price move becomes visible on the chart, while cheap gas means the network is idle and there is no rush.
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Bitcoin Hashrate and Difficulty
Source: the hash-rate and difficulty charts on api.blockchain.info over 30 days plus the current block height. No API key, updated once a day.
Hashrate is the computing power miners keep running after spending money on hardware and electricity. They are the first to switch it off when mining stops paying. Difficulty follows, but with a delay of roughly two weeks, so the gap between the lines shows how hard things currently are for miners.
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NVT Ratio
Source: BTC market cap and 24-hour volume from the shared data batch of the site; the 30-day history comes from one CoinGecko market_chart request cached for 6 hours.
NVT divides the market cap by the value transferred inside the network — the same idea as P/E for stocks: what the network costs relative to the work it actually does. A high NVT means the price has run ahead of transfer volume; a low one means the network is used more actively than it is valued.
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Stablecoin Depeg Monitor
Source: CoinGecko /coins/markets with sparkline — one request covering all coins at once, updated every 30 minutes. Deviation is measured in basis points: 100 bps = 1% from the dollar.
This block is about price and holding the $1 peg. How much money sits in stablecoins and how their market cap changes is covered in the capital flows section.
A stablecoin promises to always be worth a dollar. While that promise holds, the deviation is a few basis points. A sustained slip below the dollar means the market doubts the backing or is rushing for the exit — and stablecoins are half of all crypto market liquidity.
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Summary of All Metrics
The four metrics of this page in one table: current value, change, status, how often the data updates and where it comes from.
| Metric | Value | Change | Status | Update Frequency | Source |
|---|---|---|---|---|---|
| No results found | |||||
Methodology
Why These Four Metrics
All four are derived from the networks themselves rather than exchange quotes: fees are paid by real users, hashrate is backed by hardware and electricity, transfer volume is visible in blocks, and a stablecoin price reflects trust in its backing. Such figures are harder to fake than trading volume on a single venue.
Limits of the Method
The data comes from public sources without API keys, so history depth is limited: Ethereum fees are computed from the last thousand blocks, hashrate and NVT cover 30 days. These metrics describe the state of the networks, not price movement: none of them is a buy or sell signal and none replaces risk management.
On-chain metrics show the state of the networks and are not investment advice. Public-source data can lag; check several independent sources before making a decision.
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