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智能合約漏洞、優化、Gas Fee分析 一站搞定！
Acer Gadget & STARBIT 聯手推出檢測服務，降低損失風險，當您最佳守門員

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Analysis of Methods and Effectiveness of Using Graph Neural Networks (GNNs) for Smart Contract Vulnerability Detection | Perspective Analysis

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https://t.co/JxBRFq0MVT

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利用圖神經網路（GNNs）進行智能合約漏洞檢測的方法與效��分析 | 觀點解析
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https://t.co/JxBRFq0MVT
這幾年進入了AI的時代，AI發展迅速應用在不同層面，像是常見的對話機器人，生成圖片或是影片等等。我們之前也有談討過ChatGPT-4能不能用來編寫智能合約以及檢查漏洞和成效表現。

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NORMIE Loses Approximately 224.9 ETH | Vulnerability Analysis

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https://t.co/SdY12luRui
NORMIE lost approximately 224.90 ETH due to a logical design flaw in their smart contract.

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NORMIE 被盜取約 224.9 ETH | 漏洞分析
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https://t.co/SdY12lujEK
NORMIE 損失約 224.90 ETH 因為智能合約的邏輯設計問題。駭客利用閃���貸(flash loan) 來讓他成為premarket_user，之後利用權限進行 swap 操控貨幣流通量，賺取約 224.90ETH。

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GALA GAMES Stolen 5biliion $GALA Tokens Incident | Vulnerability Analysis
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https://t.co/5nNJQ7h7Wf
GALA GAMES experienced an incident where someone exploited admin privileges to steal GALA tokens worth 5 billion.

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GALA GAMES 被盜取價值50億 Tokens事件 | 漏洞分析
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https://t.co/5nNJQ7h7Wf
GALA GAMES 發生了有人利用 Admin 權限盜取價值50億 GALA tokens，但數小時內很快的被內部成員發現，封鎖了該錢包地址，成功地從駭客取回這價值50億 GALA tokens，防禦了這次攻擊，守住了財產。

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SmartBillions Lottery 被盜取了400ETH | 漏洞解析
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https://t.co/NJmt1KjOn0
SmartBillions lottery 被駭客盜取了400ETH。
駭客利用隨機亂數的設計漏洞。他多次成功運算出理想值，並盜取了共400ETH。
內容會討論到隨機亂數在智能約中的安全漏洞，以及預言機的介紹。

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SmartBillions Lottery was hacked, and 400 ETH was stolen|Vulnerability Analysis
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https://t.co/NJmt1KjOn0
The SmartBillions lottery was hacked, and 400 ETH was stolen. The hacker exploited a vulnerability in the random number design.

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區塊鏈共識機制PoW、PoS 、PoH| 觀點分析

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https://t.co/YiRDw5DU1l

以下會介紹區塊鏈常見的共識機制的原理和特性，包括PoW(Proof of Work)、 PoS(Proof of Stack)、 PoH(Proof of History)

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Blockchain Consensus Mechanisms : PoH、PoS、PoH | Perspective Analysis
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https://t.co/YiRDw5DU1l
The following will introduce common blockchain consensus mechanisms, including Proof of Work , Proof of Stake , and Proof of History.

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常見的釣魚手法分析|觀點分析
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https://t.co/1FbJi8iIXY
探討如何透過使用Permit和Permit2等技術，以及釣魚攻擊的具體案���，來分析這些技術的潛在風險及防範策略。

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Reveal common phishing | Perspective Analysis
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https://t.co/1FbJi8iIXY
Explore how to analyze the potential risks and prevention strategies of techniques such as Permit and Permit2, along with specific cases of phishing attacks.

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ERC-4626 Vault Re-Entrancy|漏洞解析
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https://t.co/0lZ15a8fqa
Finding an ERC4626 vault reentrancy, $3M was at risk
https://t.co/eF3ONVJnbG
在了解事件前我們需要明白什麼是ERC-4626和Re-Entrancy相關概念

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ERC-4626 Vault Re-Entrancy | Vulnerability Analysis
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https://t.co/0lZ15a8fqa
Finding an ERC4626 vault reentrancy, $3M was at risk
https://t.co/xBJ2Gx05kp
It's crucial to understand what ERC-4626and Re-Entrancy are.

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BRC-20 | 觀點分析
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https://t.co/VaC1S2iNkp
BRC-20是建立在銘幣技術所創造出來的虛擬貨幣。與ERC-20相近，不同地方在於ERC-20是利用智能合約，佈置在以��坊區塊鏈上進行互動。相對的BRC-20是佈置在比特幣區塊鏈上。

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BRC-20 | Perspective Analysis
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https://t.co/xXjgMFtMil
BRC-20 is a virtual currency created based on ordinals protocol.

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Overflow & Underflow Attack | Perspective Analysis
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https://t.co/SzyQdfpAkJ
Starting from version 0.8.0, the compiler automatically checks for overflow and underflow conditions in arithmetic operations.

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溢位攻擊 | 觀點解析
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https://t.co/SzyQdfpAkJ
Solidity 在 0.8.0 以前的版本要用 Math package 來檢查 Overflow & Underflow，直到 0.8.0 版本，編譯會自動檢查算術操作中的 Overflow & Underflow 情況。

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三明治攻擊 | 觀點解析
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https://t.co/ilLsvSCaYW
三明治攻擊是利用 gas fee 機制，進行二次交易，把受害者夾在中間，形成”三明治”的攻擊手法。受害者只能被迫接受巿場價格滑點，攻擊者從中套利。

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Sandwich Attack | Perspective Analysis
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https://t.co/ilLsvSCaYW
Sandwich attack exploits the gas fee mechanism , trapping the victim in the middle and creating a "sandwich" attack strategy. The victim is forced to accept the market price slippage.