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AI

Protocol Research Engineer

Logos ENG London, England, United Kingdom 3 min read

About Waku We are building Waku (Waku.org) as a public good infrastructure. Waku is the messaging layer of Web3. It i...

Research Dev Blockchain Crypto
$73k - $84k* · Senior Fully remote
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L
AI

Copy of Software Engineer Data Science

Logos 10 Prague, Prague, Czech Republic 3 min read

  About Waku We are building Waku as a public good infrastructure. Waku is uncompromising Web3 communication at scale...

Data Science Dev Blockchain Crypto
$78k* · Senior Fully remote
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L
AI

Software Engineer Data Science

Logos BE Berlin, Berlin, Germany 3 min read

  About Waku We are building Waku as a public good infrastructure. Waku is uncompromising Web3 communication at scale...

Data Science Dev Remote Blockchain
$36k - $90k* · Senior Fully remote
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S
AI

Software Engineer Data Science

Status Remote (Worldwide) 3 min read

About Status Status is building the tools and infrastructure for the advancement of a secure, private, and open web3....

Data Science Dev Remote Blockchain
$36k - $90k* · Senior Fully remote
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I
AI

Data Scientist

Immutable Sydney 3 min read

Data Scientist Sydney / Immutable Group/Operations – Data | Analysis and Engineering / Full Time Permanent / Hybrid A...

Scientist Data Science Blockchain Ethereum
$90k - $180k* · Senior Fully remote
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I
AI

Senior Data Scientist

Immutable Sydney 3 min read

Senior Data Scientist Sydney / Immutable Group/Operations – Data | Analysis and Engineering / Full Time Permanent / H...

Scientist Data Science Senior Blockchain
$36k - $70k* · Senior Fully remote
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C
AI

Blockchain Research Engineer

Convex Labs NY New York US 3 min read

<p>Convex Labs is a decentralized innovation network - i.e. a research and development lab that operates via a digita...

Layer 2 Python
$60k - $95k* · Senior Fully remote
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P
AI

Senior Analyst Data Science

Polygon United Kingdom 3 min read

Senior Analyst, Data Science United Kingdom / Business / Admin – Business / Remote Full-time / Remote Apply for this ...

Layer 2 Discord
$105k - $111k* · Senior Fully remote
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E
AI

Principal Algorithm Lead

Enya Palo Alto, CA 3 min read

Principal Algorithm Lead Palo Alto, CA / Engineering / Full Time Apply for this job Principal Algorithm Lead sought b...

Lead Executive Nft Javascript
$63k - $67k* · Senior Fully remote
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N
AI

VP of Protocol

NFTPort United States US 3 min read

<p>Hey there 👋</p><p><br></p><p>Are you a talented <strong>VP of Protocol</strong> who would love to be part of build...

Layer 2 Polkadot Tokenomics
$50k - $75k* · Senior Fully remote
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C
AI

Backend Research Engineer Rust

CoW Protocol BE Berlin, Berlin, Germany 3 min read

Location: Onsite or remote Position: Full-time contractor We are looking for an enthusiastic, self-motivated backend/...

Layer 2 Remote
$36k - $70k* · Senior Fully remote
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O
AI

Research Engineer

Offchain Labs Remote 3 min read

Research Engineer Remote / Research / Full-time Apply for this job Offchain Labs is building a suite of scaling solut...

Dev Remote Ethereum Research
$267k* · Senior Fully remote
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I
AI

Data Science Lead

Immutable Australia 3 min read

A bit about us: Immutable is a global technology company, powering the world of NFTs on Ethereum. We are on a mission...

Data Science Lead Ethereum Nft
$90k - $100k* · Senior Fully remote
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G
AI

Backend Research Engineer Rust m w d

Gnosis BE Berlin, Berlin, Germany 3 min read

Position: Full-time contractor About CowSwap (https://cow.fi/) We are an ambitious, fast growing and international te...

Layer 2 Remote
$36k - $90k* · Senior Fully remote
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N
AI

Senior Research Engineer

Neon Labs Remote 3 min read

About the Job Neon Labs is looking for a full-time Senior Research Engineer to join our team. Neon Labs has ported th...

Dev Senior Remote Solana
$40k - $90k* · Senior Fully remote
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What is the meaning of Layer 2?

Layer 2 in the context of cryptocurrency and blockchain technology refers to a secondary framework or protocol that is built on top of an existing blockchain system (the main chain or Layer 1)

The primary purpose of Layer 2 solutions is to solve the scalability and speed issues that many blockchains face, especially those that have become popular and heavily used, like Ethereum

Here are the key aspects of Layer 2 solutions:

  1. Scalability Enhancement: They help in scaling the main blockchain by handling transactions off the main chain. This reduces the burden on the main chain, allowing for faster and cheaper transactions.
  2. Types of Layer 2 Solutions: There are various forms of Layer 2 solutions, including state channels, sidechains, plasma chains, and rollups. Each has its own mechanism for interacting with the main chain and handling transactions.
  3. State Channels: These involve two parties engaging in numerous transactions outside of the main chain, which are then consolidated into a single transaction. This is especially useful for situations where multiple transactions occur between the same parties.
  4. Sidechains: These are separate blockchains that are connected to the main chain via a two-way peg. They operate independently and can have their own consensus mechanisms but are secured by the main chain.
  5. Plasma Chains: Plasma chains are similar to sidechains but with a more hierarchical structure. They report back to the main chain regularly and are optimized for mass transaction handling.
  6. Rollups: Rollups process and store transaction data on a sidechain but post transaction data to the main chain. They come in two varieties: optimistic rollups and zk-rollups, each with its own method of transaction verification.
  7. Security Considerations: While Layer 2 solutions are generally secure, they can have different security models compared to the main chain. This is an important consideration for users and developers.
  8. Impact on User Experience: For end-users, Layer 2 solutions can greatly improve the experience by reducing transaction fees and increasing transaction speeds.
  9. Adoption and Development: Many blockchain projects are actively developing Layer 2 solutions to enhance their networks. This is an ongoing area of innovation in the blockchain space.