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How does a browser talk to a blockchain? Browsers talk to the Internet Computer through HTTP gateways. - Translate HTTP to canister calls - Load assets directly from the blockchain - Fast query calls - Certified data for trust

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DFINITY Foundation

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14,268 просмотров • 7 месяцев назад •via X (Twitter)

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Most dApps still host their frontends on centralized servers. Raymond Khalife from DFINITY Foundation explains how the Internet Computer serves web frontends directly from smart contracts using: - HTTP gateways - Certified data - The Asset Canister Apps like OpenChat ∞ and ICP Ninja already run fully onchain.
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Most dApps still host their frontends on centralized servers. Raymond Khalife from DFINITY Foundation explains how the Internet Computer serves web frontends directly from smart contracts using: - HTTP gateways - Certified data - The Asset Canister Apps like OpenChat ∞ and ICP Ninja already run fully onchain.

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The http package is a great way to fetch data from the internet in Flutter 🌐 Add it to your project by running "flutter pub add http".
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Internet Computer the industry's fastest blockchain this week. DFINITY Foundation's Internet Computer recorded an insane 2,637 transactions per second this week. This makes $ICP the fastest blockchain across the seven-day period according to Chainspect data. Is Internet Computer due for a resurgence this year...?
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What is HTTP Downgrading, why use it, and how does it work? HTTP/2 is default for most web apps these days, however, it's not uncommon for backend servers to still use HTTP/1.1 causing parsing mismatches between frontend and backend. And that's where HTTP downgrading comes in! But what is it? HTTP downgrading is the process of forcing a request to be processed under HTTP/1.1 instead of HTTP/2. This allows you to manipulate how the frontend and backend servers interpret requests and exploit vulnerabilities unique to HTTP/1.1 parsing such as Content-Length Transfer-Encoding (CL.TE) attacks. How to downgrade HTTP/2 to HTTP/1.1 using Burp Suite 1️⃣ Open Burp Suite and Navigate to Proxy → HTTP History 2️⃣ Locate the request that is currently using HTTP/2. 3️⃣ Send the Request to Repeater 4️⃣ In the Repeater tab, open the "Inspector" panel → Request Attributes → Protocol 5️⃣ Change HTTP Version to HTTP/1.1 6️⃣ Click "Send" in Repeater. If successful, you should receive a valid response, confirming the server accepts HTTP/1.1. And that's it! You've just downgraded the HTTP protocol and confirmed that the frontend server accepts HTTP/1.1! 🥳 You are now ready to smuggle requests! If you want to learn how to exploit this, we've got a Web Academy Lab you need to check out: Thanks for reading! #requestsmuggling #cybersecurity #BurpSuite #hacking #infosec
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How email recovery is verified on the network: A new SMTP gateway forwards an email to a canister, which checks the DKIM signature that email servers already attach. To get the public key it uses a root of trust: DNSSEC where supported, or DNS over HTTP via an HTTPS outcall. The gateway is not trusted. The canister does the verification. Set it up at
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Internet Computer just hit another major transaction milestone. According to data from Chainspect, DFINITY Foundation's Internet Computer just crossed the 293B transaction milestone, now well on its way to hitting 300B. At the same time, the platform also shows $ICP as currently the fastest blockchain by throughput, clocking some 1,622 tx/s.
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