DeFi Daily | OpenSea bugs lead to the destruction of 42 NFTs

DeFi data

1. DeFi total market value: 120.438 billion US dollars


DeFi total market value data source: Coingecko

2. Transaction volume on decentralized exchanges in the past 24 hours: 5.5 billion



Source of transaction volume data on decentralized exchanges in the past 24 hours: Debank

3. Total borrowings of DeFi lending platform: 29.84 billion US dollars



Data source of total borrowings on DeFi lending platform: Debank

4. Locked assets in DeFi 83.76 billion US dollars



The top ten rankings of locked assets in DeFi projects and the amount of locked positions, data source: Debank

DeFi hotspot

1. Report: Large-scale institutional transactions accounted for more than 60% of DeFi transactions in the second quarter

On September 8, a latest report from Chainalysis showed that large institutional investors played an important role in DeFi transactions in the second quarter of 2021. The report pointed out that large institutional transactions (that is, transactions over $10 million) accounted for more than 60% of DeFi transactions during the quarter, while the proportion of all cryptocurrency transactions was less than 50%. In fact, as banks and financial institutions begin to invest funds into the cryptocurrency market, DeFi has recently become a major factor in attracting large sums of money. This trend may indicate that investors ‘ interest in bitcoin- related investment products is diversified, and large-cap investors want to take advantage of the expanding DeFi field.

2. The total amount of DeFi borrowing exceeded US$30 billion, a record high

According to DeBank data, the total amount of DeFi lending has exceeded 30 billion U.S. dollars, a record high, which was 30.27 billion U.S. dollars at the time of writing. The current top three DeFi agreements in total borrowings are: 1. Compound: total borrowings of USD 9.65 billion, accounting for 31.89%; 2. Venus: total borrowings of USD 9.14 billion, accounting for 230.21%; 3. Maker: borrowings The total amount is US$6.52 billion, accounting for 21.56%. Note: The decentralized lending market is a network system based on smart contracts, where cryptocurrency holders can lend their on-chain assets/tokens to others for profit.

3. The average decline of the DeFi concept sector today is 10.84%

The golden financial quotation shows that the DeFi concept sector has an average decline of 10.84% ​​today. Among the 47 currencies, 3 rose and 44 fell. The leading currencies were IDEX (+116.62%) and AST (+15.05%). Leading currencies are: AKRO (-25.67%), BZRX (-24.71%), UMA (-21.76%).


1. A bug in OpenSea led to the destruction of 42 NFTs, worth at least $100,000

Golden Finance reported that a vulnerability in the NFT market OpenSea destroyed at least 42 NFTs with a value of at least US$100,000. This problem was first introduced by Ethernet Square Domain Name Service (ENS) lead developer Nick Johnson raised, he pointed out that when he ENS transfer a domain name (in the form of the NFT), it is transferred to a destroyed address. This means it was accidentally sent to an uncontrolled address and can no longer be moved. Regarding the destroyed ENS domain name, Johnson stated that this was the first registered ENS domain name, called rilxxlir.eth, which was held by an ENS account when Johnson registered it with personal funds. In order to transfer the ENS domain name to his own account, he went to OpenSea to perform the transfer operation, but found that it was sent to a destruction address by mistake. Since Johnson is still the controller of the ENS domain name, he can still modify it, but he cannot move the domain name. Subsequently, Johnson received further reports from other people who were similarly affected, and compiled a list of 32 affected transactions involving 42 NFTs. Most NFTs use the ERC-721 standard, but a few use ERC-1155. He checked the floor price of each NFT, which totaled about $100,000. Johnson claims that OpenSea has now fixed this vulnerability.

2. NFT data: The Sevens 24-hour trading volume rose by +1125.02%

On September 8, the latest data from DappRadar showed that the top ten NFT projects in the past 24 hours by volume and their volume increases and decreases are as follows: Axie Infinity (-8.57%), The Sevens (+1125.02%), CryptoPunks (+ 8.63%), Loot (-34.54%), The n Project (-42.42%), Inertial Moment (-15.32%), Mutant Ape Yacht Club (-23.30%), PUNKS Comic (-59.81%), Pudgy Penguins (+ 296.78%), Bored Ape Yacht Club (-72.28%). Among them, The Sevens, Loot, The n Project, Inertial Moment, and Mutant Ape Yacht Club are new to the list; The Sevens’ 24-hour trading volume has increased by +1125.02% and is currently at US$14.11 million; Bored Ape Yacht Club’s 24-hour trading volume has fallen by as much as -72.28%, which is currently 2.86 million US dollars.

3. The number of OpenSea traders in the NFT market exceeded 500,000

Golden Finance reports that according to the latest data, the number of OpenSea traders in the NFT market has exceeded 500,000, setting a record high, 502,526 at the time of writing. In addition, OpenSea’s current total transaction volume is US$5.57 billion, ranking first in the NFT market.

4. Japanese regulator FSA puts NFT and IEO supervision on the agenda

According to news on September 8, according to the latest policy document of the Financial Services Agency (FSA), the Japanese financial regulator, the agency will begin to supervise NFT tokens and initial exchange offerings (IEO). Although the document does not specifically explain what actions the FSA will take against NFTs, DeFi, CBDCs and IEOs, the fact that it specifically mentions them in the document shows that these matters are already on its agenda. It talked about the need to establish a regulatory framework for these industries. Prior to July, the FSA had issued a report suggesting that DeFi regulations may be introduced soon.

5. The cross-chain asset bridge ChainSwap announced that it will launch the NFT cross-chain function

On September 8th, the cross-chain asset bridge ChainSwap announced that it will launch the NFT cross-chain function to promote the fragmentation of NFT and strengthen the liquidity of NFT; in addition, it can promote the privatization of NFT: through the NFT cross-chain function, investors can A chain collects the NFT fragments they want to buy with a lower gas fee.

Disclaimer: Golden Finance is a blockchain information platform, and the content of articles published is for information reference only, not as actual investment advice. Please establish a correct investment philosophy and be sure to raise your risk awareness.

Posted by:CoinYuppie,Reprinted with attribution to:
Coinyuppie is an open information publishing platform, all information provided is not related to the views and positions of coinyuppie, and does not constitute any investment and financial advice. Users are expected to carefully screen and prevent risks.

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