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 * Solutions
   
   SOLUTIONS
   
   FOR WALLETS
   
   Make it easy for hundreds of Web3 applications to integrate your wallet.
   
   FOR TRADERS
   
   Power your trading strategies with real-time mempool data — gain an edge.
   
   FOR DAPPS
   
   Unrivaled transaction transparency with Blocknative's proven mempool
   platform.
 * Products
   
   PRODUCTS
   
   ETHERNOW
   
   Go hands-on with real-time mempool data. Watch transactions complete their
   journey to finalization.
   
   MEMPOOL EXPLORER
   
   Monitor real-time transaction event streams with Mempool Explorer.
   
   TRANSACTION SIMULATION
   
   Determine likely outcomes of transactions. Trade with an edge. Protect your
   protocol.
   
   ETHEREUM GAS ESTIMATOR
   
   Get accurate gas estimations on Ethereum with full EIP-1559 support.
   
   POLYGON GAS ESTIMATOR
   
   Industry-leading Polygon (MATIC) gas estimates with full EIP-1559 support.
   
   TRANSACTION BOOST
   
   Protect users from frontrunning and sandwiching attacks without sacrificing
   visibility.
 * Dev Tools
   
   DEV TOOLS
   
   WEB3 ONBOARD
   
   Quick and easy way to add multi-chain and multi-wallet support to your Web3
   project.
   
   MEMPOOL API & SDK
   
   Our API and SDK makes mempool data easy to build with and integrate.
   
   ETH & MATIC GAS API
   
   Harnesses real-time global mempool data infrastructure for accurate gas
   estimates.
 * Learn
   
   LEARN
   
   DOCS
   
   Start building today with comprehensive product and API documentation.
   
   RESOURCES
   
   In-depth resources for web3 searchers, validators, devs, and wallets.
   
   SOFTWARE AND SDKS
   
   Explore our Github repo and get started building.
   
   RESEARCH
   
   Open research and discourse from the Blocknative team.
   
   WEB3 WALLET REGISTRY
   
   View supported wallets and networks in Onboard.
   
   GLOSSARY
   
   Learn the ins and outs of blockchain technology.
 * Company
   
   COMPANY
   
   ABOUT
   
   Learn more about how we are shaping the future of DeFi, NFTs, and more.
   
   PRESS ROOM
   
   Articles, Podcasts, Interviews, Videos, and Announcements
   
   THE BLOCKNATIVE ADVANTAGE
   
   The Blocknative Advantage: Build Better, Trade Smarter, Win More
   
   CAREERS
   
   Join us and help shape the future of crypto, DeFi, and NFTs.
   
   CONTACT US
   
   Get in touch with Blocknative.
   
   EVENTS
   
   Browse upcoming and past events, talks, and workshops.
 * Blog
   
   BLOG
   
   View all
   
   INTRODUCING ETHERNOW: REAL-TIME OBSERVABILITY FOR ETHEREUM
   
   MEMPOOL ARCHIVE QUICKSTART: HOW TO USE BLOCKNATIVE'S HISTORICAL ETHEREUM
   MEMPOOL DATA TO ANALYZE PRIVATE TRANSACTIONS, MEV, AND OFAS
   
   THE FALSE NARRATIVE OF MEV PROTECTION: HOW PRIVATE TRANSACTIONS CAN RESULT IN
   A POORER SETTLEMENT THAN SENDING PUBLICLY
   
   BLOCKNATIVE ANNOUNCES TRANSACTION BOOST: A TOOL FOR MEV PROTECTION WHILE
   PRESERVING TRANSACTION OBSERVABILITY

   

Pricing Observe Ethereum
Pricing Observe Ethereum
MEV Protection + Full Visibility





REAL-TIME OBSERVABILITY FOR PUBLIC BLOCKCHAIN NETWORKS

Public blockchains are adversarial environments, where automated predators hunt
your transactions. Their hunting ground is the Dark Forest of the public
mempool.

Blocknative illuminates the Dark Forest and protects your transactions. Don’t
get rekt. Get Blocknative.

Explore Ethernow MEV Protection

Join the hundreds of projects that depend on Blocknative.
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REAL-TIME OBSERVABILITY GIVES YOU AND YOUR PROJECT:

TRANSPARENCY

The pre-chain layer is ephemeral, globally distributed, and constantly in flux.
Blocknative lets you see what is happening, as it is happening. 




KNOWLEDGE

Don't trust, verify.
On-chain data tells you what happened, pre-chain data tells you why it happened.
Blocknative drives improved outcomes.




PROTECTION

Intelligently route your transaction to reduce adversarial outcomes and
regulatory exposure. Blocknative enables programmable settlement.





OBSERVE AND ACT ON YOUR TRANSACTIONS

See everything in one observability platform.

 * 

TRANSACTION EXPLORER

Understand the past, present, and future of the blockchain. Observe how
transactions move towards inclusion. 

 * 

TRANSACTION BOOST

Protect users from frontrunning and sandwiching attacks without sacrificing
visibility.

 * 

GAS PLATFORM API

Most reliable gas estimation for inclusion in the block you want.

 * 

MEMPOOL API & SDK

Easily stream mempool events into your Dapp. Support for ETH, Matic, and xDai.

 * 

WEB3 ONBOARD

The easiest way to support all of the top wallets and allow users to transact
with confidence.

Explore the mempool.
Ethernow
Transaction Boost
Preserve privacy and block MEV bots.
Integrate
Gas Platform
Get into the next block without overpaying.
Learn more
 * transaction.js
 * address.js
 * gas.js

export const getTransaction = (transactionHash) => {

axios.post("https://api.blocknative.com/transaction",

    {

        apiKey: "key",

        hash: transactionHash,

        blockchain: "ethereum",

        network: "main"

})

.then((response) => {

    return (response.data)

})

.catch((error) => {

    alert(error)

    errorHandler(error)

})


}

USDT-ETH Uniswap

{

  "status": "confirmed",

  "monitorId": "GETH_1_F_PROD",

     "monitorVersion": "0.82.2",

  "timePending": "18769",

  "blocksPending": 2,

  "v": "0x26",

 "r":"0x6a87323ebea105a7f2e8311294aea718a185f9f6d264c1f3b1f61082c4666076",
"s": "0x32511db119370e26893135d1e87e2cb2fdfe524aca4e8edb795ffdf3c353fc6f",

USDT-ETH Uniswap

{

  "status": "confirmed",

  "monitorId": "GETH_1_F_PROD",

     "monitorVersion": "0.82.2",

  "timePending": "18769",

  "blocksPending": 2,

  "pendingTimeStamp": "2021-04-29T16:43:07.754Z",

  "pendingBlockNumber": 12336509,

  "hash":
"0x85a508acceb3cc21b129affa3c47d8ab7aebf9dbaade58ff802d2239d5f9d46c",

  "from": "0x977A553DCf6025C876375706F2B98818414910dA",

  "to": "0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D",

  "value": "0",

  "gas": 197838,

  "gasPrice": "104000000000",

  "gasPriceGwei": 104,

  "nonce": 2148,

  "blockHash":
"0x931e057c93e8b752fb2f2c35aa144bd8e1442000db923edc381360cf02a8d8fe",

  "blockNumber": 12336511,

  "transactionIndex": 49,

  "v": "0x26",

 "r":"0x6a87323ebea105a7f2e8311294aea718a185f9f6d264c1f3b1f61082c4666076",
"s": "0x32511db119370e26893135d1e87e2cb2fdfe524aca4e8edb795ffdf3c353fc6f",

API & SDK
Unlock the power of real-time mempool data.
Learn More
Onboard
The quick and easy way to add multi-wallet support to your project.
Learn more
For Builders


JOIN THE HUNDREDS OF TEAMS BUILDING WITH BLOCKNATIVE

“The short seconds between when a blockchain transaction is submitted, and when
it is final, is the most valuable and important moment in finance—and also the
least understood. Blocknative is developing crucial infrastructure to monitor &
manage blockchain transaction processing.”

Robert Leshner, CEO



OUR RESEARCH


BLOCKNATIVE RESEARCH

Explore research that leverages Blocknative's Mempool Data Archive

The Costs of Swapping on the Uniswap Protocol

We present the first in-depth empirical characterization of the costs of trading
on a decentralized exchange (DEX). Using quoted prices from the Uniswap Labs
interface for two pools — USDC-ETH (5bps) and PEPE-ETH (30bps) — we evaluate the
efficiency of trading on DEXs.

Learn More
@soispoke.eth tweeted...



“ I compared both datasets on the same day, hopefully it can make it a bit
easier to navigate. ”

Learn More

Quick notes on Blocknative vs Mempool Dumpster data initiatives

Blocknative (BN) Mempool Data Program and Flashbots Mempool Dumpster (MD) are
two recent initiatives aimed at open-sourcing Ethereum mempool data. In this
short report, we analyze and compare both datasets to highlight their key
differences and foster data initiatives within the community.

Learn More
@nero_eth tweeted...



“ The data for the chart was outlier-corrected mainly to account for txs laying
in the mempool for hours/days, not being able to pay for the basefee, or for
other any reasons. The mempool data used to capture the time delta was collected
by @blocknative. ”

Learn More

The False Narrative of MEV Protection

Private transactions have taken off across the Ethereum ecosystem. In the graph
below you can see that private transactions have been steadily growing
post-Merge from ~5% to nearly 15% of all smart contract interactions today, with
a large jump around April and May. The reason for many of these private
transactions is to protect users from being frontrun by MEV bots that target
their transactions in the public mempool.

Learn More

Quick notes on Blocknative vs Mempool Dumpster data initiatives

Blocknative (BN) Mempool Data Program and Flashbots Mempool Dumpster (MD) are
two recent initiatives aimed at open-sourcing Ethereum mempool data. In this
short report, we analyze and compare both datasets to highlight their key
differences and foster data initiatives within the community.

Learn More
@blairlmarshall tweeted...



“ Most people understand there are trust relationships while using OFAs and
private endpoints, but what does this look like in the presence of a vertically
integrated builder? ”

Learn More

The Costs of Swapping on the Uniswap Protocol

We present the first in-depth empirical characterization of the costs of trading
on a decentralized exchange (DEX). Using quoted prices from the Uniswap Labs
interface for two pools — USDC-ETH (5bps) and PEPE-ETH (30bps) — we evaluate the
efficiency of trading on DEXs.

Learn More
@soispoke.eth tweeted...



“ I compared both datasets on the same day, hopefully it can make it a bit
easier to navigate. ”

Learn More

Quick notes on Blocknative vs Mempool Dumpster data initiatives

Blocknative (BN) Mempool Data Program and Flashbots Mempool Dumpster (MD) are
two recent initiatives aimed at open-sourcing Ethereum mempool data. In this
short report, we analyze and compare both datasets to highlight their key
differences and foster data initiatives within the community.

Learn More
@nero_eth tweeted...



“ The data for the chart was outlier-corrected mainly to account for txs laying
in the mempool for hours/days, not being able to pay for the basefee, or for
other any reasons. The mempool data used to capture the time delta was collected
by @blocknative. ”

Learn More

The False Narrative of MEV Protection

Private transactions have taken off across the Ethereum ecosystem. In the graph
below you can see that private transactions have been steadily growing
post-Merge from ~5% to nearly 15% of all smart contract interactions today, with
a large jump around April and May. The reason for many of these private
transactions is to protect users from being frontrun by MEV bots that target
their transactions in the public mempool.

Learn More

Quick notes on Blocknative vs Mempool Dumpster data initiatives

Blocknative (BN) Mempool Data Program and Flashbots Mempool Dumpster (MD) are
two recent initiatives aimed at open-sourcing Ethereum mempool data. In this
short report, we analyze and compare both datasets to highlight their key
differences and foster data initiatives within the community.

Learn More
@blairlmarshall tweeted...



“ Most people understand there are trust relationships while using OFAs and
private endpoints, but what does this look like in the presence of a vertically
integrated builder? ”

Learn More

The Costs of Swapping on the Uniswap Protocol

We present the first in-depth empirical characterization of the costs of trading
on a decentralized exchange (DEX). Using quoted prices from the Uniswap Labs
interface for two pools — USDC-ETH (5bps) and PEPE-ETH (30bps) — we evaluate the
efficiency of trading on DEXs.

Learn More
@soispoke.eth tweeted...



“ I compared both datasets on the same day, hopefully it can make it a bit
easier to navigate. ”

Learn More

Quick notes on Blocknative vs Mempool Dumpster data initiatives

Blocknative (BN) Mempool Data Program and Flashbots Mempool Dumpster (MD) are
two recent initiatives aimed at open-sourcing Ethereum mempool data. In this
short report, we analyze and compare both datasets to highlight their key
differences and foster data initiatives within the community.

Learn More
@nero_eth tweeted...



“ The data for the chart was outlier-corrected mainly to account for txs laying
in the mempool for hours/days, not being able to pay for the basefee, or for
other any reasons. The mempool data used to capture the time delta was collected
by @blocknative. ”

Learn More

The False Narrative of MEV Protection

Private transactions have taken off across the Ethereum ecosystem. In the graph
below you can see that private transactions have been steadily growing
post-Merge from ~5% to nearly 15% of all smart contract interactions today, with
a large jump around April and May. The reason for many of these private
transactions is to protect users from being frontrun by MEV bots that target
their transactions in the public mempool.

Learn More

Quick notes on Blocknative vs Mempool Dumpster data initiatives

Blocknative (BN) Mempool Data Program and Flashbots Mempool Dumpster (MD) are
two recent initiatives aimed at open-sourcing Ethereum mempool data. In this
short report, we analyze and compare both datasets to highlight their key
differences and foster data initiatives within the community.

Learn More
@blairlmarshall tweeted...



“ Most people understand there are trust relationships while using OFAs and
private endpoints, but what does this look like in the presence of a vertically
integrated builder? ”

Learn More

OUR RESEARCH


BLOCKNATIVE RESEARCH

Read the latest research articles:

Fortune - Blocknative raises $15 million to provide global infrastructure to
Ethereum

Learn More

Bankless Podcast - Ethereum's Hidden Power Structures with Blocknative CEO Matt
Cutler

Learn More

The Defiant - Why MEV Matters and Other Post-Merge Revelations by Matt Cutler

Learn More

Messari Mainnet 2022 - How Ethereum Stakeholders Are Playing The Merge

Learn More

Unchained with Laura Shin - Matt Cutler of Blocknative: "MEV Should Not Be
Solved by Users"

Learn More

Yahoo Finance - Blocknative CEO Matt Cutler on the Ethereum Merge

Learn More

Blockworks - The Merge: Will You Survive, Thrive or Get Left Behind?

Learn More

Behind Company Lines - Matt Cutler, CEO & Co-Founder of Blocknative

Learn More

Web3 for Gen Z - Making Crypto Accessible with Sean O'Connor

Learn More

Blocknative Launches Transaction Distribution Network

Learn More

Inside the Economics of MEV | Matt Cutler

Learn More

IOSG OFR Denver Talk | Lessons Learned from Block Building and the Future of MEV
@Blocknative

Learn More

#ShareTheMEV: Recirculating value to all the right places with Matt Cutler

Learn More

Fortune - Blocknative raises $15 million to provide global infrastructure to
Ethereum

Learn More

Bankless Podcast - Ethereum's Hidden Power Structures with Blocknative CEO Matt
Cutler

Learn More

The Defiant - Why MEV Matters and Other Post-Merge Revelations by Matt Cutler

Learn More

Messari Mainnet 2022 - How Ethereum Stakeholders Are Playing The Merge

Learn More

Unchained with Laura Shin - Matt Cutler of Blocknative: "MEV Should Not Be
Solved by Users"

Learn More

Yahoo Finance - Blocknative CEO Matt Cutler on the Ethereum Merge

Learn More

Blockworks - The Merge: Will You Survive, Thrive or Get Left Behind?

Learn More

Behind Company Lines - Matt Cutler, CEO & Co-Founder of Blocknative

Learn More

Web3 for Gen Z - Making Crypto Accessible with Sean O'Connor

Learn More

Blocknative Launches Transaction Distribution Network

Learn More

Inside the Economics of MEV | Matt Cutler

Learn More

IOSG OFR Denver Talk | Lessons Learned from Block Building and the Future of MEV
@Blocknative

Learn More

#ShareTheMEV: Recirculating value to all the right places with Matt Cutler

Learn More

Fortune - Blocknative raises $15 million to provide global infrastructure to
Ethereum

Learn More

Bankless Podcast - Ethereum's Hidden Power Structures with Blocknative CEO Matt
Cutler

Learn More

The Defiant - Why MEV Matters and Other Post-Merge Revelations by Matt Cutler

Learn More

Messari Mainnet 2022 - How Ethereum Stakeholders Are Playing The Merge

Learn More

Unchained with Laura Shin - Matt Cutler of Blocknative: "MEV Should Not Be
Solved by Users"

Learn More

Yahoo Finance - Blocknative CEO Matt Cutler on the Ethereum Merge

Learn More

Blockworks - The Merge: Will You Survive, Thrive or Get Left Behind?

Learn More

Behind Company Lines - Matt Cutler, CEO & Co-Founder of Blocknative

Learn More

Web3 for Gen Z - Making Crypto Accessible with Sean O'Connor

Learn More

Blocknative Launches Transaction Distribution Network

Learn More

Inside the Economics of MEV | Matt Cutler

Learn More

IOSG OFR Denver Talk | Lessons Learned from Block Building and the Future of MEV
@Blocknative

Learn More

#ShareTheMEV: Recirculating value to all the right places with Matt Cutler

Learn More



NEW FROM OUR BLOG


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In Ethereum's proof-of-stake (PoS) consensus mechanism, the process of
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DATA TO ANALYZE PRIVATE TRANSACTIONS, MEV, AND OFAS

Blocknative offers the most exhaustive historical archive of Ethereum's mempool
transaction ...
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Article

LESSONS EARNED ONE YEAR POST-MERGE: UNRAVELING PBS AND ITS EFFECT ON MEV, BLOCK
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The success of The Merge and the subsequent Shapella hard-fork showcased
Ethereum's ability to ...
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THE FALSE NARRATIVE OF MEV PROTECTION: HOW PRIVATE TRANSACTIONS CAN RESULT IN A
POORER SETTLEMENT THAN SENDING PUBLICLY

Private transactions have taken off across the Ethereum ecosystem. In the graph
below you can ...
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where they already ...
Blocknative

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UNDERSTANDING ETHEREUM RESTAKING AND EIGENLAYER

The risks and rewards of extending ethereum's security to other chains Ethereum
restaking has ...
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Article

BLOCKNATIVE ANNOUNCES TRANSACTION BOOST: A TOOL FOR MEV PROTECTION WHILE
PRESERVING TRANSACTION OBSERVABILITY

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protection ...
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Transitioning Ethereum to proof-of-stake changed how transactions ultimately
land on-chain. ...
Blocknative

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DECODING ETHEREUM SMART CONTRACT EVENTS USING ABIS

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smart contracts ...
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ETHCC: UNDERSTANDING ERC-4337—HOW IT WORKS AND EXPLORING UNKNOWNS

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4337 mental ...
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THE NUMBER OF PRIVATE TRANSACTIONS ON ETHEREUM DOUBLES IN LAST QUARTER

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mempool—made ...
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OBSERVABILITY FOR EVERYONE

Blocknative is enabling ordinary users to access best-in-class Observability on
Public Blockchain Networks. Our goal is to eliminate barriers to visibility. 

Start building with Blocknative

CONTACT US:

Hello@blocknative.com
Connect on Discord
 * Solutions
 * L2 Decoding
 * For Ethereum
 * For Wallets
 * For Dapps
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 * Products
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