"[218] ISIS's usage of Telegram reignited the encryption debate and encrypted messaging applications faced new scrutiny. "[171] According to the contract, the holders of the bonds will be provided with an option to convert them to shares at a 10% discount if the company conducts an open IPO. [135], People Nearby can help users meet new friends by turning on phone GPS location and opting-in contacts and through Groups Nearby people can create a local group by adding location data to groups. [243] This was done without prior agreement or knowledge of the women, causing intense public backlash and demand for the group to be shut down. [230] In the United Kingdom, Telegram is one of the main platforms for far-right publication TR.news, maintained by Tommy Robinson, and Britain First, whose pages were blocked by major social media platforms. [226] According to Europol, Telegram has put forth considerable effort in removing abusers of its platform. All issues were patched before the paper's publication with a security bounty paid out to the researchers. Rocket Kitten's attacks were similar to ones attributed to Iran's Islamic Revolutionary Guards Corps. Telegram was launched in 2013 by the brothers Nikolai and Pavel Durov. Users have the option to schedule messages in personal chats to be sent when the other side comes online. :Analysis of end-to-end encryption in the LINE messaging application", List of defunct instant messaging platforms, Comparison of user features of messaging platforms, https://en.wikipedia.org/w/index.php?title=Telegram_(software)&oldid=1100581249, CS1 Brazilian Portuguese-language sources (pt-br), Short description is different from Wikidata, All articles with links needing disambiguation, Articles with links needing disambiguation from July 2022, Articles with unsourced statements from June 2021, Articles with unsourced statements from May 2022, Pages using Sister project links with wikidata namespace mismatch, Creative Commons Attribution-ShareAlike License 3.0. [282][283], On 30 March 2020, an Elasticsearch database holding 42 million records containing user IDs and phone numbers of Iranian users was exposed online without a password.

spicejet partners [183], Durov planned to power TON with the existing Telegram user base, and turn it into the largest blockchain and a platform for apps and services akin to a decentralized WeChat, Google Play, and App Store.

Telegram has public APIs with which developers can access the same functionality as Telegram's official apps to build their own messaging applications. David Wolpoff, a former Department of Defense contractor, has stated that the weak link in the attack was the device itself and not any of the affected apps: "Theres no way for a secure communication app to keep a user safe when the end devices are compromised. On top of this, Instant View pages are extremely lightweight and cached on the Telegram servers, so they load instantly on pretty much any connection. It was launched for iOS on 14 August 2013 and Android on 20 October 2013. [36] On 24 March 2014, Telegram announced that it had reached 35 million monthly users and 15 million daily active users. [236], On 27 August 2021, the U.S. House of Representatives select committee investigating the 2021 United States Capitol attack demanded records from Telegram (alongside 14 other social media companies) going back to the spring of 2020.

[95][96], In December 2019, Bloomberg News moved their messenger-based newsletter service from WhatsApp to Telegram after the former banned bulk and automated messaging. Games work on iPhones 4 and newer and on Android 4.4 devices and newer. A user can only send one reaction and tapping on any other reaction will switch to it. These Two Russians Aren't So Sure", "Telegram adds two-step verification for better security, launches in-app video editor to platform", "Telegram introduces a feature to prevent users from texting too often in a group", "How Telegram's new update is making messages private", "Unsend Messages, Network Usage, and More", "Telegram adds message reactions, bigger emoji animations, and more in latest update", "Telegram rolls out message drafts, picture in picture for iOS, video player for Android", "Telegram 5.13 update brings Theme Editor 2.0, "Send when online", verifiable builds, and more", "Telegram's latest update lets you import chat history from other apps", "Encryption Fails: When to Freak Out and When to Chill", "Telegram v4.4 adds live locations, a new media player, and more", "Why Telegram has become the hottest messaging app in the world", "Telegram v3.2 Brings Channels For Broadcasting Your Messages To The World", "Telegram adds search filters, anonymous admins, channel replies, and more", "Telegram 5.7 further enhances privacy, improves group and channel features, and more", "Join the FT Telegram channel to receive Ukraine coverage alerts", "Sign up for Telegram updates from Business Insider", "The New York Times launches a Telegram channel to deliver news about the war", "Telegram adds content protection support for groups and channels", "Telegram introduces voice calls, touting end-to-end encryption", "Telegram gets Discord-like group voice chats", "Telegram's Voice Chats 2.0 Adds Unlimited Listeners, Recorded Chats & More", "400 Million Users, 20,000 Stickers, Quizzes 2.0 and 400K for Creators of Educational Tests", "Telegram Just Launched A Major New Feature To Beat Zoom", "Telegram launches one-on-one video calls on iOS and Android", "Group video calls and animated backgrounds are finally here in Telegram 7.8", "Telegram adds group video calling at last", "Telegram has created a whole new social experience for you to dread with 1,000 person video calls", "Telegram picks up a new download manager and redesigns its attachment menu", "Telegram-bots kunnen relatief ongemerkt meelezen in groepsgesprekken", "Telegram now lets retailers accept credit cards in any chat", "Telegram 4.8 arrives with Telegram Login and streaming", "Secure messaging app Telegram now offers its own anonymous blogging platform", "Custom Languages, Instant View 2.0 and More", "Telegram launches Telegraph, a long-form publishing platform", "Telegram introduces video stickers, improved reactions, and more", "Telegram Passport stores your real-world IDs in the cloud", "Telegram Passport is already drawing fire for not being secure enough", "Telegram 5.14 adds multiple-answer and quiz polls (APK Download)", "Telegram adds location-flavored extras and full group ownership transfers", "Protected Content, Delete by Date, Device Management and More", "Telegram, el chat que compite con Whatsapp", "Pavel Durov, creador de Telegram: "Ninguna aplicacin es 100% segura", "GDPR vs US Discovery: US Court Makes Clear Non-US Entities Can't Avoid Discovery", "Telegram Privacy Policy - EEA Representative", "Telegram-Anleitung: So benutzt man den Messenger", "Telegram se actualiza con compatibilidad para Android Wear", "Telegram se actualiza para la pantalla del iPad", "Telegram X for Android Released What's New", "Telegram X: Progress through Competition", "Telegram X a slick experimental Telegram client based on TDLib", "Can Telegram Beat WhatsApp with a Public API? Users can also record chats with a red dot shown as a warning during the recording period. ", "WhatsApp+ Developer Releases Telegram+ After Being Forced To Drop The First Project", "WhatsApp+ Is Now Officially Dead After Receiving A Cease And Desist From The Real WhatsApp", "Socializer Messenger App Offers a New Approach to Messaging", "Telegram's New Platform Lets Developers Create Smart Message Bots With Multiple Uses", "There's retro-game emulator hiding inside Telegram Messenger. It received points for having communications encrypted in transit, having its code open to independent review, having the security design properly documented, and having completed a recent independent security audit. The company was initially supported by its CEO's personal funds after the sale of his stake in VK. It features a website widget that could be embedded into websites, allowing users to sign into a third party website with their Telegram account. Quiz bots can also be added to track correct answers and even provide a global leaderboard. The web version cannot be used to register and log in, this feature is officially supported by the mobile app only. [224], In November 2019, Telegram participated in Europol's Internet Referral Action Day.

Stickers are cloud-based, high-resolution images intended to provide more expressive emoji. Over 43,000 terrorist-related bots and channels were removed from Telegram. A user can enter multiple options into the poll. Non-Latin characters are transliterated, spaces are replaced with hyphens, and the date of publication is added to the address. [162], Telegram also offers an API that allows developers to create bots, which are accounts controlled by programs. [44] Since 2017, the company has been based in Dubai. [84] Telegram's local message database is not encrypted by default. [118] There are also inline bots, which can be used from any chat screen. [79] All chats, including groups and channels, can be sorted into custom folders set by the user. [267] Telegram 4.6, released in December 2017, supports MTProto 2.0, which now satisfied the conditions for IND-CCA. [110][111] Group calls have support for selective screen sharing, split screen view and improved noise suppression. [258], In May 2016, critics disputed claims by Telegram that it is "more secure than mass market messengers like WhatsApp and Line",[83] because WhatsApp applies end-to-end encryption to all of its traffic by default and uses the Signal Protocol, which has been "reviewed and endorsed by leading security experts", while Telegram does neither and stores all messages, media and contacts in their cloud. [195] The launch of the TON main network was scheduled for 31 October. [279] The Telegram team tweeted that it was either because the user had malware or they were not using two-step verification. Telegram's default chat function missed points because the communications were not encrypted with keys the provider didn't have access to, users could not verify contacts' identities, and past messages were not secure if the encryption keys were stolen. In June 2022, Telegram surpassed 700 million monthly active users. [252][254][255][256] However, in December 2020, a study titled "Automated Symbolic Verification of Telegrams MTProto 2.0" was published, confirming the security of the updated MTProto 2.0 and reviewing it while pointing out several theoretical vulnerabilities. According to press reports, prior to the bonds placement, Durov had rejected an investment offer for a 5-10% stake in the company as well as several undisclosed ones, valuing the company in a $3040 billion range. [264] The researchers stressed that the attack was of a theoretical nature and they "did not see any way of turning the attack into a full plaintext-recovery attack". [160][161] In September 2015, Samsung released a messaging application based on these APIs. The bug was fixed on the day of the publication with a $100,000 payout to the author and a statement on the official blog. [260], In 2013, an author on the Russian programming website Habr discovered a weakness in the first version of MTProto that would allow an attacker to mount a man-in-the-middle attack and prevent the victim from being alerted by changed key fingerprint. [116] Bots are Telegram accounts operated by programs. They can also subscribe to comments and get notifications from @DiscussBot. [102], In December 2021, content protection features were introduced that allow admins of private channels and groups to disable screenshots, message forwarding and saving data in their communities. [159] In February 2015, creators of the unofficial Whatsapp+ client released the Telegram Plus app, later renamed to Plus Messenger, after their original project got a cease-and-desist order from WhatsApp. [107] On 15 August 2020, Telegram added video calling with end-to-end encryption. Instant View is a way to view web articles with zero page load time. A Telegram spokesperson stated: "RDIF is not in the list of investors we sold bonds to.

[88], As with most instant messaging protocols, Telegram uses centralized servers. [57], According to the U.S. Securities and Exchange Commission, the number of monthly Telegram users as of October 2019 is 300 million people worldwide. [70][71] Users also have the option to create a password as a form of two-step verification. [54] In March 2018, Telegram reached 200 million monthly active users. [229], Telegram has also been used by the alt-right organization Proud Boys to coordinate throughout the United States. Here's how to use it", "Eligible But Struggling to Get a COVID-19 Vaccine Appointment? [85] Some Telegram clients allow users to encrypt the local message database by setting a passphrase. [126] It is designed in a minimalist style, the article pages do not contain any controls. The League also points to the RapeWaffen Division channel, which openly advocates rape and murder as part of a race war. Users can also follow channels, which have been used by celebrities such as Arnold Schwarzenegger[20] and politicians: President of France Emmanuel Macron,[21] Brazilian President Jair Bolsonaro,[22] Turkish President Recep Tayyip Erdogan,[23] President of Moldova Maia Sandu,[24] President of Ukraine Volodymyr Zelenskyy,[25] Mexican President Andres Manuel Lopez Obrador,[26] Singaporean Prime Minister Lee Hsien Loong,[27] President of Uzbekistan Shavkat Mirziyoyev, Taiwan President Tsai Ing-wen, Ethiopian Prime Minister Abiy Ahmed, former Israeli Prime Minister Benjamin Netanyahu and others.[28]. The chairman of the public organization "Electronic Democracy" Volodymyr Flents on 11 May 2020 announced that a Telegram bot appeared on the Web, which sold the personal data of Ukrainian citizens. Telegram has various client apps, some developed by Telegram Messenger LLP and some by the community. [176], On 10 June 2022, Durov announced via his official channel that Telegram Premium would launch later the same month. [174] Ads began to appear in channels with more than 1000 followers in October 2021. [170], Telegram has stated that the company will never serve advertisements in private chats. While Telegram's terms of service prohibit the promotion of violence, they have allowed violent videos posted by mass shooters Brenton Tarrant (Christchurch, New Zealand) and Stephan Balliet (Halle, Germany), although other social media platforms had removed them. Telegraph is a publishing tool used to create formatted posts with photos and embedded media. [59] On 8 January 2021, Durov announced in a blog post that Telegram had reached "about 500 million" monthly active users. "[208], In September 2015, in response to a question about the use of Telegram by Islamic State of Iraq and the Levant (ISIS), Pavel Durov stated: "I think that privacy, ultimately, and our right for privacy is more important than our fear of bad things happening, like terrorism. An alternative Telegram client written from scratch, with higher speed, slicker animations, themes and more efficient battery use. A "Telegram" to SAFTs: "Beware! [304], In September 2021, prior to the regional elections in Russia, Telegram suspended several bots spreading information about the election, including a bot run by the opposition party and critics of incumbent president Vladimir Putin's government,[305][306] citing election silence as the reason, though a blog post by the company's CEO implied the company was following Apple and Google, which "dictate the rules of the game to developers". Telegram is a freemium, cross-platform, cloud-based instant messaging (IM) service. [64] Account creation requires an iOS or Android device regardless of the platform intended to be used. [65][66][92], Secret Chats are only available on the Android, iOS and macOS clients of the app. [222], In July 2017, Director General of Application and Informatics of the Indonesian Ministry of Communication and Informatics, Semuel Abrijani Pangerapan, said eleven Telegram DNS servers were blocked because many channels in the service "promoted radicalism, terrorism, hatred, bomb assembly, civil attack, disturbing images, and other propaganda contrary to Indonesian laws and regulations. A reward of respectively US$200,000 and US$300,000 was offered. [94] Channels can be publicly available with an alias and a permanent URL so anyone can join.

Durov has stated that Telegram is considering a paid subscription that would hide ads, while allowing users to directly support the app. [114][115], In June 2015, Telegram launched a platform for third-party developers to create bots. [252][253] Since July 2016, Line has also applied end-to-end encryption to all of its messages by default,[259] though it has also been criticized for being susceptible to replay attacks and the lack of forward secrecy between clients. [52], In February 2016, Telegram announced that it had 100 million monthly active users, with 350,000 new users signing up every day, delivering 15 billion messages daily. [250], Telegram reportedly banned more than 350,000 bots and channels in 2020, including those that contained child abuse and terrorism-related content. [257] The paper provides "fully automated proof of the soundness of MTProto 2.0s authentication, normal chat, end-to-end encrypted chat, and re-keying mechanisms with respect to several security properties, including authentication, integrity, confidentiality and perfect forward secrecy" and "proves the formal correctness of MTProto 2.0". [163][164] Such bots are used, among other things, to emulate and play old games in the app and inform users about vaccine availability for COVID-19.[165][166]. Admins of groups or channels have the option to join as their group or channel, hiding their personal account. [202] In March 2021, Telegram launched a bonds offering to cover the debt and fund further growth of the app. Cloud chats and groups are encrypted between the app and the server, so that ISPs and other third-parties on the network can't access data, but the Telegram server can. (And Why You Should Care)", "Telegram, nearing 500 million users, to begin monetizing the app", "Everything marketers need to know about Telegram's new ad platform", "Telegram to Launch Paid Features for Business and Power Users in 2021", "Telegram Premium is coming later this month", "Telegram's Privacy-Focused User Base Could Become TON Blockchain's Killer App", "Telegram plans multi-billion dollar ICO for chat cryptocurrency", "Inside Telegram's ambitious $1.2B ICO to create the next Ethereum", "Telegram's Pavel Durov in court over his quest to revolutionize cryptocurrency", "Here is the leaked white paper for the massive Telegram ICO", "Under what conditions will Telegram return to investors the collected $ 2.55 billion", "Telegram has raised a total of $1.7 billion from its two pre-ICO sales", "Even as Bitcoin Languishes, Telegram Raises $1.7 Billion Ahead of Largest ICO Ever", "Telegram Files New Form D with SEC Indicating $1.7 Billion will be Raised | Crowdfund Insider", "Telegram Messaging App Scraps Plans for Public Coin Offering", "Despite delay, Durov on track to launch his cryptocurrency in March", "Telegram will launch its Gram cryptocurrency by October 31 or bust", "Blockchain law. [252], On 2 August 2016, Reuters reported that Iranian hackers compromised more than a dozen Telegram accounts and identified the phone numbers of 15 million Iranian users, as well as the associated user IDs.

", "A 264 Attack On Telegram, And Why A Super Villain Doesn't Need It To Read Your Telegram Chats", "Is Telegram Really Safe for Activists Under Threat? Telegram stated that it does not have access to the data, while the platform will only share the information to the authorised recipient. [86], Telegram users can share their live location in a chat for either 15 minutes, one hour, or eight hours. [307][305] The blocking of the main Smart Voting bot was criticized by allies of Alexei Navalny, a Kremlin critic and former opposition leader. [247][248][249], A Telegram bot was blocked by Apple in 2020 after posting deepfake pornography. [292][291][293][294][295], Telegram has organized two cryptography contests to challenge its own security. [106], Telegram announced in April 2020 that they would include group video calls by the end of the year. Encryption keys are periodically changed after a key has been used more than 100 times or has been in use for more than a week. Users can send messages to other users individually or in groups of up to 200,000 members. The accounts were extracted from not Telegram but an unofficial version of Telegram, in what appears to be a possibly government-sanctioned fork. [109] In June 2021, Telegram implemented group video calls across all of its clients. [71][270], In June 2017, Pavel Durov in an interview claimed that U.S. intelligence agencies tried to bribe the company's developers to weaken Telegram's encryption or install a backdoor during their visit to the U.S. in 2016. epf razorpay corpbiz



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