GameFi has brought the benefits of blockchain and digitial currencies to gaming. However, adding on-chain elements creates a number of new challenges, one of which is maintaining a secure ecosystem. Find out what it takes to keep GameFi secure ⬇️
model that allows players to earn crypto rewards. GameFi also gives gamers true ownership and complete control over their in-game assets.
For example, attackers exploited a backdoor in a Remote Procedure Call node to obtain a signature on the GameFi project Axie Infinity in 2022, allowing attackers to carry out unauthorized withdrawals totalling nearly $600 million in ETH. Any vulnerabilities in GameFi projects could result in massive losses for both investors and players, underscoring the critical importance of GameFi security.
P2E GameFi project DeFi Kingdoms was attacked by malicious ERC-20 minting in 2022. Some players leveraged the logic vulnerability to mint the game’s locked native tokens, causing the token price to plummet afterwards.are primarily used as in-game virtual assets in GameFi projects, including equipment, props, and souvenirs. They offer players clear ownership and can maintain stable value via inflation control and scarcity. However, improper use of NFTs can introduce security vulnerabilities.
When players trade and transfer NFTs, potential smart contract vulnerabilities may occur. For example, the function safeTransferFrom is used to transfer ERC-721 NFTs. When the receiver is a contract address, the function onERC721Received will be triggered for a callback. Then there is the potential risk of the reentrancy attacks, whereby attackers can dictate the logic within the function on ERC721Received.
When it comes to NFTs, metadata contains important descriptive information and is stored off-chain as JSON files. However, many GameFi projects store their NFT metadata on their own centralized servers instead of using decentralized infrastructure like IPFS. This increases the likelihood of metadata tampering by related parties or attackers, which could infringe on players’ rights.
Front-end interfaces give attackers another avenue to maliciously infiltrate the system. If an information leak occurs on the leaderboard of one game, attackers can send the leaked address-related information to the server to obtain corresponding sensitive information.To safeguard GameFi projects, it’s crucial to exercise caution at every stage.
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