Live Bitcoin Fees & Mempool Data
Real-time Bitcoin fee rates, mempool depth, and block data from mempool.space and the BSAHI research engine — decide when to send, open channels, batch withdrawals, or run a node.
Should I send now?
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Based on current network conditions
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Fastest
--
~10 min
Hour
--
~60 min
Economy
--
~2+ hr
Fastest: $0.56 │ Hour: $0.28 │ Economy: $0.14
Fee History — Last 24 Hours
Each bar represents one Bitcoin block. Green = low fees. Red = congestion.
Fee Heatmap — 24h × Fee Tier
Every block bucketed by average fee rate (avgFees ÷ 4M vbytes) and hour of day. Columns = hour (UTC), rows = fee tier, color = block count. Data:
data/fee_history_blocks.json.Mempool Fee-Rate Histogram
Vsize waiting in the mempool, bucketed by fee rate. This is a fee histogram — NOT a transaction-age histogram (age data is not captured by the pipeline). Data:
data/mempool_fee_histogram.json.What this means for you
Waiting for fee data to generate insight...
Should I open channels today?
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Estimating channel cost...
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Nodes
--
Public LN nodes
Channels
--
Active payment channels
Capacity
--
Total BTC locked
Lightning Network
Real network stats (capacity, nodes, channels) from captured data. Node color = node type split (Tor / Clearnet / Unannounced). Graph topology is not captured — nodes represent real aggregate shares.
What this means for you
Waiting for Lightning Network data...
Should I batch withdrawals?
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Estimating batch savings...
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Current Fee
--
Economy sat/vB
Batch Size
--
Withdrawals per tx
Savings
--
Per 1K withdrawals
Batch vs Individual Withdrawal Cost
Drag the slider to compare costs. The gap between lines = your savings from batching.
What this means for you
Waiting for fee data to calculate savings...
Your node at a glance
--
Estimated annual cost to run a full node
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Hardware
--
Annual depreciation
Bandwidth
--
Per year
Power
--
Electricity per year
Annual Cost Breakdown
Adjust the sliders below to match your setup. Hardware depreciates over 3 years.
What this means for you
Node cost estimate shown once price data arrives.
Block reward breakdown
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Subsidy + fees for the latest block
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Subsidy
3.125
BTC per block
Fees
--
BTC per block (avg)
Total
--
BTC per block
Daily Rev
--
USD per day
Block Reward Composition
Donut chart shows subsidy vs fee split. Line chart shows fee revenue trend over the last 144 blocks.
What this means for you
Waiting for block data...
Latest data
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Fee history, model outputs, and datasets
Data refreshes every 60s from mempool.space
View on GitHub →
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Volatility
--
24h fee variance
Avg Fee
--
Economy avg 24h
Range
--
Min - Max sat/vB
Miner Revenue
--
USD per day (new BTC + fees)
Est. Settlement
--
USD per day (all tx value)
Txs/Day
--
Estimated on-chain
Fee History Analysis
Three fee tiers plotted over 24 hours. Hover to inspect values at any point in time.
Fee Distribution Trend
How the fee histogram shifts over the last 24 hours. Green = cheap, red = expensive.
Rolling Block Interval
Average time between blocks per 10-block capture window, with min–max band. Data:
data/block_interval.json (spool mirror).Network Hashrate History
Captured currentHashrate over time — real captures only, no fabricated values. Data:
data/hashrate.json (spool mirror).What this means for you
Fee history data shows patterns. Use the CSV export for your own analysis. Model forecasts available for institutional partners.
Bitcoin Network Data
Checking systems…
Data Sources & Reliability
Developer mode ▸
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MEMPOOL--
FASTEST--
HOUR--
ECONOMY--
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BLOCKS--
LN NODES--
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