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| Job Position | Company | Posted | Location | Salary | Tags |
|---|---|---|---|---|---|
OKX | Hong Kong, Hong Kong | $72k - $100k | |||
Immutable | Sydney, Australia | $45k - $92k | |||
Visa | London, United Kingdom | $12k - $61k | |||
Visa | London, United Kingdom | $12k - $61k | |||
| Learn job-ready web3 skills on your schedule with 1-on-1 support & get a job, or your money back. | | by Metana Bootcamp Info | |||
Circle | San Francisco, CA, United States | $200k - $265k | |||
Obol | Lisbon, Portugal |
| |||
Experfy Inc | Boston, MA, United States | $98k - $110k | |||
Atomic | United States | $125k - $160k | |||
Obol | Lisbon, Portugal |
| |||
Qredo | Madrid, Spain | $123k - $219k | |||
Qredo | Paris, France | $90k - $150k | |||
Qredo | Madrid, Spain | $63k - $80k | |||
Qredo | Lisbon, Portugal | $57k - $112k | |||
Qredo | Lisbon, Portugal | $31k - $81k | |||
Qredo | Amsterdam, Netherlands | $98k - $120k |
OKX
$72k - $100k estimated
This job is closed
Who We Are
At OKX, we believe our future is reshaped with technology. Founded in 2017, OKX is one of the worldâs leading cryptocurrency spot and derivatives exchanges. OKX innovatively adopted blockchain technology to reshape the financial ecosystem by offering some of the most diverse and sophisticated products, solutions, and trading tools on the market. Trusted by more than 20 million users in over 180 regions globally, OKX strives to provide an engaging platform that empowers every individual to explore the world of crypto. In addition to its world-class DeFi exchange, OKX serves its users with OKX Insights, a research arm that is at the cutting edge of the latest trends in the cryptocurrency industry. With its extensive range of crypto products and services, and unwavering commitment to innovation, OKX vision is a world of financial access backed by blockchain and the power of decentralized finance.
We invest in our people as much as we invest in technology. We are united by our engaging culture, here we win as a team, embrace changes, and do the right thing. We are committed to creating a friendly, rewarding and diverse environment for OKers. It doesnât matter where you come from, here everyone feels valued, respected and has the same opportunities to develop and thrive â we want to bring out the best in you.
About the Opportunity
What Youâll Be Doing:
- Research on various L2 and Rollup technologies/theories in the field.
- Develop applied solutions for financial scenarios by combining blockchain and zero-knowledge proof technology.
What We Look For In You:
- A degree in cryptography, mathematics, computer science, or related fields.
- Skilled in theoretical foundations and algorithms of zero-knowledge proofs: zkSNARK, zkSTARK, as well as Plonk, Groth16, Halo2.
- Deep understanding of common cryptographic algorithms and basic mathematical concepts: elliptic curves, finite field algorithms, fast Fourier transforms, polynomial commitments, bilinear pairings.
- Experience in developing zero-knowledge proof systems:
- Ability to implement zero-knowledge proof circuits using c++/rust.
- Ability to perform security&performance analysis and optimization on circuits.
-
Nice to Haves:
- Skilled in cryptographic algorithms such as homomorphic encryption, ring signatures, aggregate signatures, threshold signatures.
- Published papers at international cryptography conferences.
- Fluent in English speaking and writing skills.
Perks & Benefits
- Competitive total compensation
- Comprehensive insurance coverage for employees and their dependants
- More that we love to tell you along the process!
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:
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- Impact on User Experience: For end-users, Layer 2 solutions can greatly improve the experience by reducing transaction fees and increasing transaction speeds.
- 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.