Fee rates right now
— sat/vB
High-priority estimate for the next block
- High—
- Medium—
- Low—
- No priority—
Fee (sats) = fee rate (sat/vB) × virtual size (vB). Estimates by mempool.space.
Read the blockchain before you invest
TokenTrail turns the public ledger — blocks, wallets, fees, flows — into plain-English guides for complete beginners. Every figure is traced to a primary source, and nothing here is for sale.
Free
On-chain analysis course — 8 guides in order, from what on-chain analysis is to realized price, exchange flows and the limits of the data. No sign-up. Start the course
The newest blocks on the Bitcoin chain
Loading live block data…
Live block data needs JavaScript. Our guide to blocks and confirmations explains every number this strip shows.
What the numbers mean:
How blocks and confirmations workNetwork dashboard
Live readings from the same source, each linked to the guide that explains it. Not a price feed, and not a signal to buy or sell.
Transactions waiting in the mempool
— unconfirmed
— virtual MB · about — blocks of space
One block holds up to 4 million weight units, which is 1,000,000 vB. Each square is one block’s worth.
Next difficulty adjustment
— estimated change
— through this 2,016-block period · — blocks to go
Average block time this period: — (target: one block every 10 minutes).
Hash rate
— EH/s
Latest estimate · last 30 days below
Estimated from difficulty and how fast blocks are found — hash rate is not observed directly.
Next halving
— blocks to go
Next at block —, when the subsidy falls from — to — BTC. Halvings happen every 210,000 blocks.
— of the way through this halving era.
Coins issued (cumulative)New coins per block
Computed from Bitcoin Core’s 210,000-block halving interval and 50 BTC starting subsidy. Block heights are exact; calendar dates are not.
Source: the mempool.space public API, relayed by tokentrail.app (cached up to 30 seconds) and refreshed in this page every minute while it is open.
One map of the crypto data you will meet
Crypto data comes from two very different places: trading venues, and the blockchains themselves. Most beginner mistakes start with mixing them up. Our library is organised around that split.
- 41guides
- 16metric profiles
- 24glossary terms
Off-chain
Market data
Prices, order books, futures and the behaviour of exchanges — information created by trading venues, not by the blockchain.
- Spot vs derivatives — what you actually own
- Funding rates — the cost of holding a perpetual
- Open interest — how much leverage is outstanding
- Order books — where prices come from
- Spot bitcoin ETFs — exposure without a wallet
Sources: exchange and regulator documentation.
On-chain
Fundamentals
What the network itself records: blocks, transactions, fees, hash rate and staking.
- Blocks & confirmations — when a payment is final
- Fees — why they spike
- Hash rate — how much work secures Bitcoin
- Active addresses — usage, with caveats
On-chain economics
What analysts derive from that record: cost basis, profit and loss, holder age and flows.
- Realized price — the market’s average cost
- MVRV — price versus cost basis
- SOPR — are sellers in profit?
- Exchange flows — coins moving to and from venues
Sources: protocol documentation, client source code and metric authors.
Read it your way: guides, the metrics library, the glossary or the calculators.
The public ledger in motion
Tens of thousands of independent validating nodes maintain identical ledgers across the globe without central coordination. Every transaction propagates across peers in seconds.
TokenTrail verifies every metric directly against this live ledger data and primary protocol specifications.
How consensus worksFootage: "Geo Cosmos 1" by Davide Mauro, CC BY-SA 4.0, via Wikimedia Commons.
16 on-chain metrics explained
Each profile explains one indicator: the formula in words, who introduced it, how analysts read it, and the specific ways it misleads.
- Formulas shown step by step, with a worked example computed in code.
- The original author and paper for every metric, linked.
- A “limits” section on every page — no metric is a buy or sell signal.
Featured metric profiles
Realized price: the average price coins last moved at
Realized cap divided by supply: the average price at which coins last moved on-chain.
MVRV ratio: market value compared with realized value
Market cap divided by realized cap: how far today’s value sits above or below on-chain cost.
NUPL: how much paper profit or loss the network holds
Net paper profit or loss of all coins as a share of market cap — above zero, the network is in profit.
SOPR: are coins being spent at a profit or a loss?
Value of coins when spent divided by their value when created: above 1, spenders realize profit.
HODL waves: reading Bitcoin’s supply by coin age
Bitcoin’s supply split into age bands by when coins last moved — a picture of holding and spending.
Hash rate: how much work is securing Bitcoin
How much proof-of-work miners perform per second — estimated, never directly observed.
Puell Multiple: is miner income high or low compared with the past year?
Today’s dollar value of newly mined bitcoin divided by its one-year average — a gauge of miner income.
Exchange netflow: coins in minus coins out
Coins sent to labelled exchange addresses minus coins withdrawn from them — only as good as the labels.
Stablecoin supply ratio (SSR): Bitcoin’s size against the stablecoin pile
Bitcoin’s market cap divided by the market cap of tracked stablecoins — a rough gauge of dollar “dry powder”.
Funding rate: reading it for the first time
The periodic payment between longs and shorts that keeps perpetual futures near spot — a gauge of positioning.
All 16 metric profiles · each with sources and limits.
Know where to start. Know what to skip.
9 guides in a fixed order take you from keys and blocks to sizing a position you can live with. No sign-up, no paywall, no course to buy.
I want to invest carefully
Volatility, position sizing, DCA and the scams aimed at newcomers.
Investing basicsI want to read on-chain charts
Cost basis, holder cohorts and flows — and where those charts mislead.
On-chain analysisThe story behind every chart
Long-form explainers on blockchains, markets and risk. Each one opens with a 50-word answer, cites its sources line by line, and ends with the mistakes beginners make most.
Recently published guides
What is bitcoin hashprice, and why did it fall after the October 2026 difficulty rise?
On 16 October 2026 Bitcoin's difficulty rose 5.92%. That one number cut what every unit of mining power can expect to earn. Here is the arithmetic behind hashprice.
6 sources · 3 primary
Is crypto traceable? What can and cannot be followed on a blockchain
Bitcoin is often called anonymous, but its ledger is public and permanent. Here is what anyone can trace, how addresses get tied to real people, and where tracing stops.
7 sources · 6 primary
How to use a block explorer to check a Bitcoin transaction
A block explorer is a search engine for the blockchain. Paste a transaction ID or address and it shows what the network recorded. Here is how to read each part of the page.
8 sources · 6 primary
Bitcoin halving explained: how the 21 million supply schedule works
Every 210,000 blocks the number of new bitcoins created per block is cut in half. Here is the rule, the arithmetic behind the cap, and the claims about halvings you should treat with care.
7 sources · 5 primary
Looking for one specific word?
Search 106 pages of guides, metric profiles and glossary entries. Press / anywhere on the site.
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How we keep a crypto education site honest
Primary sources first
Figures come from protocol specifications, client code, regulators and original metric authors — never from another blog’s summary.
An independent check
Before publication, a separate fact-checking pass that did not write the page re-checks every number, date and rule against its source.
Nothing for sale
No affiliate links, no sponsored posts, no token promotions, no ads. We earn nothing when you buy anything.
Beginner-first
Each page opens with a 50-word answer and defines every term the first time it appears.
Limits stated
Every metric profile ends with how it misleads. If a chart cannot tell you something, we say so.
Three ways into the same library
The story behind the data
Long-form guides on blockchains, markets, investing risk and security, each with sources and common mistakes.
Browse the guidesOne metric at a time
Profiles of the indicators analysts quote most, with formulas, original authors, worked examples and limits.
Open the library
Do the arithmetic yourself
Calculators for averaging in, sizing positions, cost basis and drawdowns — each shows its formula.
Use the calculators
Questions about TokenTrail
Is TokenTrail free?
Yes. TokenTrail sells nothing and has no paid tier. Every guide, metric profile, glossary entry and calculator is free to use, including the on-chain analysis course. No sign-up, no paywall.
Who runs TokenTrail, and is it independent?
TokenTrail is self-funded by its owner and published under one shared byline, TokenTrail Editorial. There are no ads, no affiliate links, no sponsored content, no paid placements and no token promotions, so no page has a commercial reason to steer you towards an exchange, wallet, token or service. See how we are funded.
Where do the numbers come from?
From a fixed library of sources, each one listed on our sources page. Primary sources — protocol specifications, client source code, regulators, official protocol documentation and original authors — carry the facts. Every claim with a number, date or rule carries an inline citation, worked examples are computed in code, and a separate pass that did not write a page re-checks it before publication. Pages are drafted and checked with the help of AI models; our editorial policy explains the process.
Where should a beginner start?
With the beginner trail: guides in a fixed order that take you from keys and blocks to sizing a position you can live with. If you want to read on-chain charts, the free on-chain analysis course covers block explorers, tracing, realized price, holder groups, exchange flows and the limits of the data.
Do you give investment advice or trading signals?
No. TokenTrail is educational content, not investment, tax or legal advice, and we recommend no asset, exchange, wallet product or service. No metric is a buy or sell signal: metrics describe what has already happened on the chain and cannot tell you what the price will do next. Crypto-assets are highly risky — read our risk disclosure.