Not long ago, the blockchain security team at Amber Group discovered a critical vulnerability in Strips Finance’s perpetual interest rate swap AMM (Automated Market Maker). The vulnerability would allow an attacker to manipulate the fixed market rate and drain funds from the insurance pool and all of the AMMs. At…

Since the success of Axie Infinity, gaming has become one of the most invested verticals in the crypto industry. Many argue that blockchain games have the greatest potential to bring crypto into the mainstream, given the sector’s low barriers to entry and the widespread appeal of gaming. Amber has invested…

Over the past 5 years, we have together with our clients experienced multiple market cycles, and our focus has and continues to remain the same — delivering an industry-leading service for trading, storing, hedging, and managing digital assets with a key focus on security, compliance, and risk-management. Whilst the crypto…

Over the last year, Ethereum’s dominance as the primary smart contract blockchain was challenged by alternative Layer 1s. The multichain world was no longer up for debate; it became a reality. …

Yet again, a re-entrancy loophole has been identified by the blockchain security team at Amber Group and independent researcher Rivaill [1], and reported to ImmuneFi. We outline the details of the loopholes in this blog post. 0x00 Position Exchange Position Exchange is a decentralized crypto platform which allows users to cast NFTs using…

A common saying within the crypto community is that a month in crypto is like a year in traditional industries. Headlines and announcements — of fundraisings, protocol upgrades, governance proposals, airdrops, hacks, NFT mints, acquisitions, and more — barrage users seemingly every hour. …

Summary Automated market makers (AMMs) form the backbone of decentralized finance. They allow users to trade assets, create new markets, and earn yields, all available 24/7 and without a central entity. Since their inception, they have grown to execute over $180 billion of trading volumes. DeFi moves fast. In this report…

On March 17th 2022, an airdrop equivalent to 15% of the total supply of ApeCoin was distributed to BAYC/MAYC owners [1]. To claim the airdropped ApeCoin, a BoredApe owner had to actively interact with the airdrop smart contract. This surge in interactions led the gas price of Ethereum to climb…

Non-fungible tokens (NFTs) have come a long way and have captured the zeitgeist over the last few years. Mainstream focus has been primarily on profile picture (“PFP”) projects, catalyzed by growing attention (and value) of CryptoPunks and Bored Ape Yacht Club. Skyrocketing Prices for CryptoPunks and BAYCs…