Blobs

Contents

• Blob Count

• Blob Count per blob carrying transaction

• Total Blob Space Used (bytes)

• All Time Blob Space Used (bytes)

• Unique Blob Count

• Blob Count in Txs sent to contracts

• Blob Space Used by Layer 2s

• Inscription Count

Blob Count

Definition

The sum count of blobs created that interval that were included in the main chain.

Name	MetricID	Unit	Interval
Blob Count	BlobCnt	Blobs	1 block, 1 day

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Blob Count per blob carrying transaction

Definition

The mean number of blobs per blob carrying transaction.

Name	MetricID	Unit	Interval
Blob Count per blob carrying transaction	BlobMeanCnt	Blobs	1 block, 1 day

Availability for Assets

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Total Blob Space Used

Definition

The sum of the size (in bytes) of blob space used in that interval.

Name	MetricID	Unit	Interval
Total Blob Space Used	BlobSizeByte	Bytes	1 block, 1 day

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All Time Blob Space Used (bytes)

Definition

The mean gas limit per transaction that day.

Name	MetricID	Unit	Interval
All Time Blob Space Used (bytes)	BlobSizeAllTimeByte	Bytes	1 day

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Unique Blob Count

Definition

The sum count of distinct blobs created that interval that were included in the main chain.

Name	MetricID	Unit	Interval
Blob Unique Count	BlobUniqCnt	Blobs	1 day

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Blob Count in Txs sent to Contracts

Definition

The sum count of blobs, created by transactions sent to smart contracts or burn addresses, in that interval that were included in the main chain. Burn addresses are address which contain more than 10 consecutive empty bytes in their binary representation.

Name	MetricID	Unit	Interval
Blobs Count (contracts)	BlobContCnt	Blobs	1 day

Availability for Assets

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Blob Space Used by Layer 2s

Definition

The sum of the size (in bytes) of blob space used in that interval by tagged Layer 2 sequencers

Name	MetricID	Unit	Interval
Blob Space Used (layer 2)	BlobL2SizeByte	Bytes	1 day
Blob Space Used (Arbitrum)	BlobARBSizeByte	Bytes	1 day
Blob Space Used (Optimism)	BlobOPSizeByte	Bytes	1 day
Blob Space Used (Base)	BlobBASESizeByte	Bytes	1 day

Details

• The aggregate L2 metric (BlobL2SizeByte) includes all tagged L2 sequencers. This list includes additional L2s that do not have dedicated metrics.

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Inscription Count

Definition

The sum count of data inscription blobs created that interval that were included in the main chain. Data inscription blobs are blobs created in transactions following ESIP-8

Name	MetricID	Unit	Interval
Blobs Count (inscriptions)	BlobInscrCnt	Blobs	1 day

Availability for Assets

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API Endpoints

Exhange Deposits metrics can be accessed using these endpoints:

• timeseries/asset-metrics

and by passing in the metric ID's Blob* in the metrics parameter.

GET undefined/timeseries/asset-metrics

Shell

curl --compressed "https://api.coinmetrics.io/v4/timeseries/asset-metrics?metrics=BlobCnt&assets=eth&pretty=true&api_key=<your_key>"

Python

import requests
response = requests.get('https://api.coinmetrics.io/v4/timeseries/asset-metrics?metrics=BlobCnt&assets=eth&pretty=true&api_key=<your_key>').json()
print(response)

Python Client

from coinmetrics.api_client import CoinMetricsClient

api_key = "<API_KEY>"
client = CoinMetricsClient(api_key)

print(
    client.get_asset_metrics(
        metrics="BlobCnt", 
        assets="eth",
    ).to_dataframe()
)