Speakers

blockchain, blockchain explained, blockchain for business, blockchain technology, blockchain training, blockchain tutorial, blockchain tutorial for beginners, cloud computing, computer network, contributing to open source, credential, database, department of motor vehicles, end user, hyperledger, hyperledger blockchain, hyperledger fabric, hyperledger in blockchain, hyperledger projects, identity document, introduction to hyperledger, library, linkedin, linux, login, machine learning, man-in-the-middle attack, open source, open source software, password, privacy, public-key cryptography, push technology, qr code, signature, social security number, user (computing), web portal, what is blockchain, what is hyperledger, what is open source, world wide web, youtube

analogy, analytics, application programming interface, backup, best practice, blockchain, blockchain explained, blockchain for business, blockchain technology, blockchain training, blockchain tutorial, blockchain tutorial for beginners, cache (computing), chemical substance, circular economy, clock, cloud, cloud computing, coal, communication, computer network, contributing to open source, credential, credit card, customer relationship management, data manipulation language, database, database schema, database transaction, department of motor vehicles, devweek18, digital twin, electric vehicle, electricity, end user, engineering, flash memory, groundbreakers, hearing loss, high availability, hindsight bias, hyperledger, hyperledger blockchain, hyperledger fabric, hyperledger in blockchain, hyperledger projects, identity document, infrastructure, interoperability, introduction to hyperledger, library, life, life-cycle assessment, linkedin, linux, login, machine learning, man-in-the-middle attack, oil refinery, open source, open source software, oracle, oracle cloud, oracle developers, oracle rac, parallel computing, password, patch (computing), platform, privacy, proxy server, public-key cryptography, push technology, qr code, replication (computing), scalability, signature, social security number, subscription business model, supply chain, sustainability, sustainable business, tesla, inc., use case, user (computing), web portal, weight, what is blockchain, what is hyperledger, what is open source, world wide web, youtube

authentication, bit, blockchain, blockchain explained, blockchain for business, blockchain technology, blockchain training, blockchain tutorial, blockchain tutorial for beginners, bohemian rhapsody, business logic, client (computing), contributing to open source, digital identity, digital literacy, disability, economics, email, empowerment, financial inclusion, future, governance, hyperledger, hyperledger blockchain, hyperledger fabric, hyperledger in blockchain, hyperledger projects, ice, identifier, incentive, information privacy, interface (computing), internet, introduction to hyperledger, ipod, know your customer, laptop, linux, machine, machine learning, mobile payment, notebook, onboarding, open source, open source software, password, physics, playground, price, privacy, project jupyter, public-key cryptography, qr code, reason, risk, rock music, server (computing), siri, smartphone, sustainable development, the substation, url, what is blockchain, what is hyperledger, what is open source

bank, biometrics, blockchain, blockchain explained, blockchain for business, blockchain technology, blockchain training, blockchain tutorial, blockchain tutorial for beginners, byzantine fault, communication, communication protocol, consensus (computer science), contributing to open source, cryptographic hash function, cryptography , demo, fault tolerance, hyperledger, hyperledger blockchain, hyperledger fabric, hyperledger in blockchain, hyperledger projects, introduction to hyperledger, lecture, linux, microsoft, node (networking), open source, open source software, privacy, public-key cryptography, qr code, right to be forgotten, software , source code, technology, trustee, unit testing, what is blockchain, what is hyperledger, what is open source

active directory, ankur patel, authentication, authenticator, background check, build, business, c1x9, credential, domain name system, down with sign-ups just sign-in! | od491, general data protection regulation, identity document, internet, internet privacy, matthijs hoekstra, microsoft, microsoft build, microsoft build 2021, microsoft developer, msft build, msft build 2021, multi-factor authentication, od491, on-demand, password, personal identification number, privacy, public key infrastructure, public-key cryptography, qr code, security, twitter, url redirection, user (computing), verifiable credentials, world wide web, youtube

active directory, ankur patel, authentication, authenticator, background check, build, business, c1x9, credential, domain name system, down with sign-ups just sign-in! | od491, general data protection regulation, identity document, internet, internet privacy, matthijs hoekstra, microsoft, microsoft build, microsoft build 2021, microsoft developer, msft build, msft build 2021, multi-factor authentication, od491, on-demand, password, personal identification number, privacy, public key infrastructure, public-key cryptography, qr code, security, twitter, url redirection, user (computing), verifiable credentials, world wide web, youtube

bell test experiments, blockchain, boson sampling, chsh inequality, coherence (physics), complexity, computational complexity theory, computer programming, computing, cryptography , diffie–hellman key exchange, divide-and-conquer algorithm, elliptic-curve cryptography, grover's algorithm, hidden-variable theory, lattice-based cryptography, loopholes in bell test experiments, machine learning, martin hellman, mean, np (complexity), optimism, p versus np problem, pessimism, post-quantum cryptography, probability distribution, public-key cryptography, quantization (physics), quantum algorithm, quantum computing, quantum entanglement, quantum logic gate, quantum machine learning, quantum programming, quantum supremacy, random number generation, randomness extractor, rsa (cryptosystem), shor's algorithm, software , theoretical computer science, time complexity, whitfield diffie

basic research, communication protocol, computer network, computer science, computing, condensed matter physics, cryptography , cyberwarfare, information science, innovation, international association for cryptologic research, internet, ion, key (cryptography), laboratory, metrology, physics, public-key cryptography, quantum computing, quantum cryptography, rsa (cryptosystem), science, smartphone, symmetric-key algorithm, telecommunication

arm architecture, authentication, backup, certificate authority, cloud, cloud computing, cloud conference, computer data storage, devops, encryption, github, hardware, internet of things, iot, key (cryptography), one-time password, passphrase, password, password manager, pretty good privacy, public key certificate, public-key cryptography, raspberry pi, saved game, secure shell protocol, security, security token, server (computing), single-board computer, six feet up, sixfeetup, twitter, virtual, virtual conference

5g, advanced encryption standard, blockchain, central processing unit, client (computing), computer, computer hardware, coprocessor, cybercrime, digital signature, encryption, enterprise resource planning, internet of things, key generation, machine to machine, microcontroller, public-key cryptography, raspberry pi, real-time computing, robot, self-driving car, server (computing), system, vehicular ad hoc network, wi-fi

api, apple inc., arm architecture, barack obama, binary number, buffalo, new york, car, cloud computing, communication, communication protocol, copenhagen, cryptography , data center, dippin' dots, disco, divorce, doughnut, firmware, hexadecimal, honda, hot dog, hypertext transfer protocol, immersion (virtual reality), internet, karachi, lahore, macintosh, microsoft windows, mother, nothing, odessa, open source, operating system, patch (computing), piano, poodle, public-key cryptography, smartphone, software , spotify, stroke, surveillance, tampa, florida, tik tok (song), transmission control protocol, weather, web browser, welding, wi-fi, world wide web

api, apple inc., arm architecture, barack obama, binary number, buffalo, new york, car, cloud computing, communication, communication protocol, copenhagen, cryptography , data center, dippin' dots, disco, divorce, doughnut, firmware, hexadecimal, honda, hot dog, hypertext transfer protocol, immersion (virtual reality), internet, karachi, lahore, macintosh, microsoft windows, mother, nothing, odessa, open source, operating system, patch (computing), piano, poodle, public-key cryptography, smartphone, software , spotify, stroke, surveillance, tampa, florida, tik tok (song), transmission control protocol, weather, web browser, welding, wi-fi, world wide web

amazon web services, aws lambda, cloud computing, computer hardware, computer network, computing, data, dongle, ethernet, gateway (telecommunications), global positioning system, information, internet of things, linux, metadata, password, prototype, public-key cryptography, raw data, sd card, sim card, software , timer, usb, wi-fi

bank, bitcoin, blockchain, business, business process, central bank, computer network, cryptocurrency, decentralization, decentralized finance, derivative (finance), digital transformation, economics, email, encryption, ethereum, financial crisis, hedge (finance), insurance, internet, loan, metamask, public-key cryptography, security (finance)

2018, 2019, acl, algorithm, amazon web services, american recovery and reinvestment act of 2009, angie lau, anonymity, apple inc., application software, austin, avanti bank and trust, bank, bank secrecy, bank secrecy act, banknote, bankruptcy, bitcoin, blackrock, blockchain, blockchaine 2020, blockhaine hackathon, brand, btc, business, business model, business process, by, caitlin long, cash, cbdc, central bank, ces, china, cloud computing, coindesk, comic con, communication protocol, computer network, concert, conference, consensus, consensus (computer science), consensus 2019, consensus decision-making, consensus: distributed 2020, consensys, constitution of the united states, creative, crowdfunding, crypto, crypto 2020, crypto-anarchism, cryptocarrency , cryptocarrency 2020, cryptocurrency, cryptocurrency investing, cryptocurrency investments, cryptocurrency investments 2020, currency, currency substitution, data, database, decentralization, decentralized finance, decision-making, deficit spending, democracy, derivative (finance), development, digital currency, digital fiat, digital transformation, disintermediation, distributed computing, economics, economy, edu, education, email, encryption, entertainment, entrepreneur, eth, eth 2020, eth conference, eth london, eth london uk, eth vitalik buterin, etherealsummit, etherealvirtual, ethereum, ethereum 2020 , ethereum london, ethglobal, ethlondonuk , facebook, fentech conference 2020, fest, festival, film, finance, financial crisis, financial innovation, fintech, fintech conference, foreign exchange market, forkast, fortune, fractional-reserve banking, gaming, general data protection regulation, george gilder, global investment, goldman sachs, google, governance, government budget balance, greek government-debt crisis, greenfence, hackathon eth, hackathon ethereum, hedge (finance), hedge fund, hyperledger, i'm with you (album), information privacy, initial coin offering, initial public offering, innovation, insurance, interactive, interest, interest rate, internet, interview, investments, investor, it infrastructure, jen wieczner, joe lubin, joe lubin 2020, jonas hudson, joseph lubin, justo ortiz, kaleido, keynote, komgo, laurence d. fink, law, learning, libra, libra (digital currency), lineup, live, loan, mainstage, market (economics), market design, marvel cinematic universe, media, metamask, michael casey, michael j. casey, michael novogratz, microsoft azure, mike novogratz, mit, monetary policy, money, movie, municipal bond, music, naomi brockwell, news, operating system, organization, panel, performance, philippines, privacy, privacy and blockchain, proof of stake, proof of work, protocol, public-key cryptography, public–private partnership, purchasing power parity, qr code, quantitative easing, reason, red carpet, resource, retail, salesforce, satoshi nakamoto, scalability, scarcity, security (finance), semantic web, showcase, simulation, smart contact wallets, smart wallets, social networking service, sociology, soft power, software , souleima baddi, south, southby, southwest, speaker, specification (technical standard), speculation, stablecoin, steve cerveny, stock, supply chain, supreme court of the united states, surveillance, swap (finance), sxsw, talk, team, tech, technologies, technologies blockchain, technology, ted, tehnology, television, tether (cryptocurrency), texas, theory, third-party doctrine, training, transparency (behavior), truth, tv, u.s. securities and exchange commission, uncertainty, union bank, utility, valuation (finance), verifiable credentials, video games, vitalik buterin, vitalik buterin 2020, web3, west, world wide web, zero-knowledge proof, “south by southwest”

2019, aave, abstraction (computer science), adam levy, agriculture, alon goren, altcoin, api, arbol, asset, audit, automation, ava labs, avalanche, avax, bank, bill of lading, bitcoin, bitcoin 101, bitcoincash, bitcoinmining, bitcoinnews, bitcoinprice, bitcoins, bitcointrading, blockchain, blockchain conference, blockchain education, blockchaintechnology, brand, btc, business, business model, business process, c19, carbon credit, central bank, cesc, chainlink, climate change, climate change mitigation, cloud computing, coindesk, communication protocol, community, computer network, computer security, conference, consensus, consensus (computer science), consensus 2019, construct, conversation, craig russo, credit, crypto, cryptocurrencies, cryptocurrency, cryptoeconomics, cryptography , cryptonews, cryptotrading, cybercrime, data quality, data validation, database, database transaction, decentralization, decentralized finance, default (finance), defi, demand, derivative (finance), determinism, devops, digital security, digital transformation, distributed computing, diversification (finance), draper goren holm, draper venture network, economics, economy, education, effects of climate change, email, emin gun sirer, encryption, end-to-end principle, enterprise software, eth, ethereum, ethereum oracles, etoro, event, externality, farming, finance, financial crisis, fintech, force, global financial system, globalization, goal, google, governance, hackathon, hedge (finance), homomorphic encryption, hyperledger, imovie, inflation, information, innovation, insurance, interest, interest rate, internet, internet of things, interoperability, invest, investing, investment, investor, josef holm, la blockchain summit, la blockchain week, library, life-cycle assessment, litecoin, loan, logic, market (economics), market data, metamask, microsoft excel, mobile web, money, money laundering, moneydance, network, new york, olaf carlson wee, option (finance), parametric insurance, polychain capital, polyient games, port, price, privacy, private equity, proof of work, property, public-key cryptography, reason, reforestation, reliability engineering, renewable energy, reputation, research, reverse engineering, risk, risk management, san francisco blockchain week, scalability, securitization, security (finance), sergey nazarov, server (computing), sf blockchain week, sfbw19, sfbw2020, sid jha, siri, smart contract, smart contracts, social media, society, software , specification (technical standard), sputnik 1, stablecoin, stani kulechov, startup company, status, summit, system, tech, telecommunication, test drive, tim draper, tokenization (data security), trader, trading, transparency (behavior), trial and error, trust (social science), truth, twitter, usability, value (economics), value proposition, venture capital, volatility (finance), weather risk, web 2.0, web application, web of trust, web service, web3, world wide web, zero-knowledge proof

adam levy, ai technology, alon goren, anna irrera, bank, bank of america, banking technology, binance, bitcoin, blockchain, bofa, bond (finance), business, business process, central bank, ceo, changpeng zhao, chief correspondent, collision conference, computer network, conference, crypto, cryptocurrencies, cryptocurrency, cybercrime, cz, decentralization, decentralized finance, defi, derivative (finance), digital assistant, digital security, digital signatures, digital transformation, distributed ledger technology, draper goren holm, draper venture network, economics, economy, email, encryption, ethereum, ethereum reuters, etoro, event, exchange-traded fund, facial recognition system, finance, financial crisis, financial stability oversight council, financial transaction, fintech, fireside chat, founder, future, futures contract, hedge (finance), hi tech, initial coin offering, insurance, interest, internet, internet of things, investment fund, jobs of the future, josef holm, know your customer, kodak, la blockchain summit, la blockchain week, loan, market liquidity, market maker, metamask, monero (cryptocurrency), money, money laundering, money supply, netflix, petro (cryptocurrency), privacy and blockchain, public-key cryptography, question, regulatory compliance, ripple labs, security (finance), spotify, startup company, summit, tax, tim draper, twitter, u.s. securities and exchange commission, upload, venmo, wechat, wire transfer

alice and bob, backdoor (computing), client (computing), cloud computing, cryptographic hash function, cryptography , email, email address, encryption, end-to-end encryption, github, key (cryptography), laptop, man-in-the-middle attack, martin hellman, patch (computing), public-key cryptography, server (computing), single sign-on, social engineering (security), telephone, transport layer security, videotelephony, whitfield diffie, zoom (software)

android (operating system), authentication, authenticator, biometrics, bluetooth, gmail, google account, google search, internet, internet security, keychain, login, malware, mobile app, near-field communication, password, personal identification number, phishing, public-key cryptography, security token, smart card, user agent, web browser, webauthn 201, website, world wide web

active directory, authentication, backdoor (computing), botnet, cryptographic hash function, debt, digital transformation, domain controller, http cookie, internet, knowledge, microsoft, microsoft azure, multi-factor authentication, next-generation tactics, nt lan manager, office 365, password, public-key cryptography, reconnaissance, risk, superman, supply chain, supply chain attack, user (computing), web browser

ai in finance, amazon web services, analytics, ananth madhavan, antivirus software, apple inc., application software, artificial neural network, authentication, automation, bank, bitcoin, blackrock, blockchain, bloomberg, bluetooth, certificate authority, christina qi, cluster analysis, computer security, computer virus, computing, configuration management database, consumer price index, covid-19 pandemic, credit card, cryptanalysis, cryptograph, cryptography , cybersecurity, database, day trading, differential privacy, diffie–hellman key exchange, digital identity, digital privacy, digital signature, domeyard fund, economics, elon musk, encryption, end user, ethics, exchange-traded fund, expectation of privacy, facebook, facial recognition system, federated identity, financial technology, flash boys, general data protection regulation, governance, identity assurance, identity management, immunity passport, index fund, information, information security, information theory, infosec, intel, internet of things, keith rabois, key (cryptography), key exchange, khosla ventures, liberty alliance, machine learning, malware, market (economics), market analysis, martin hellman, medical privacy, microcode, microsoft account, mit, mit ai conference, mitcnc, monopoly, multi-factor authentication, natural language processing, online shopping, password, peer-to-peer, post-quantum cryptography, precedent, prepaid mobile phone, price index, privacy, programming language, proof of work, psychological resilience, public key infrastructure, public-key cryptography, qr code, quantitative analysis (finance), quantum computing, quantum supremacy, ransomware, reason, recidivism, regulatory compliance, right to be forgotten, risk management, ron rivest, rsa, rsa (cryptosystem), rsac, rsaconference, secret sharing, secure multi-party computation, security, security hacker, security token, selina wang, sim card, sms, supervised learning, supply chain, supply chain attack, surveillance, telecommuting, trading room, transport layer security, trust (social science), underwriting, unsupervised learning, usability, venture capital, verifiable secret sharing, voter-verified paper audit trail, vulnerability (computing), web search engine, whitfield diffie, workforce, zulfikar ramzan

api, application software, authentication, authorization, biometrics, certificate authority, client (computing), cloud computing, code signing, computer file, computer network, computer security, cybersecurity, data breach, data security, digital signature, dmz (computing), domain controller (windows), email, encryption, help desk, hypertext transfer protocol, information, infosec, internet, iris recognition, kodi (software), laptop, microsoft windows, modern identity hacking, multi-factor authentication, outlook.com, password, personal identification number, physical security, powershell, public key certificate, public key infrastructure, public-key cryptography, remote desktop services, rsa, rsac, rsaconference, security, server (computing), telecommuting, url redirection, user (computing), web browser, whatsapp, windows 10, world wide web

accumulator (computing), altcoin, anonymity, bandwidth (computing), bit, bitcoin, bitcoin 101, bitcoin core contributor, bitcoin core maintainer, bitcoin culture, bitcoin history, bitcoin journalism, bitcoin lightning, bitcoin magazine, bitcoin network, bitcoin news, bitcoin news today, bitcoin node, bitcoin open source, bitcoin price, bitcoin price prediction, bitcoin programming, bitcoin talk, bitcoincash, bitcoiners, bitcoinmining, bitcoinnews, bitcoinprice, bitcoins, bitcointrading, blockchain, blockchain conference, blockchain education, blockchaintechnology, btc, business, cesc, collision attack, communication protocol, computer, computer data storage, computer file, consensus (computer science), crypto, cryptocurrencies, cryptocurrency, cryptoeconomics, cryptographic hash function, cryptography , cryptonews, cryptotrading, currency, curve, database, desktop computer, digital currency, doctor of philosophy, domain name system, double-spending, education, elliptic curve, eth, ethereum, free open source software, gigabyte, gnu general public license, gnu privacy guard, handshaking, hash function, hashtag, information, initial coin offering, internet protocol, interpreter (computing), invest, investing, investment, investor, ip address, job, letter case, lightning network, lightning network node, litecoin, logarithm, lunch, mathematical optimization, matt odell, meal, memory, mit license, money, motivation, national science foundation, news, node (networking), nonprofit organization, open source, open source hacking, open source software, open source tutorial, password, pdf, phrase, post-quantum cryptography, price, privacy, proof of work, property, public-key cryptography, qr code, random-access memory, raspberry pi, raspiplitz, reason, receipt, research, resource, san francisco blockchain week, satoshi, science, sf blockchain week, sfbw19, sfbw2020, signature, software , software bug, stacking sats, tax, technology, telephone, trader, trading, truth, unspent transaction output, usability, utility

amazon's service design, apple's ux, biometrics, bit, bitcoin, blockchain, brand, business model, communication protocol, consent, contract, credit card, crypto-natives, cryptocurrency, cryptocurrency wallet, cryptography , decentralization, decentralized exchange, encryption, ethereum, facebook, fast fashion, fingerprint, kanye west, known origin, law, metadata, mind, mintbase, money, money laundering, nft, nothing, painting, password, payment, personal identification number, price, public key, public-key cryptography, question, reason, reputation, research, royalty payment, sasha williams (the walking dead), scarcity, understanding, usability, user experience, utility, venly, wechat

amazon's service design, anonymity, apple's ux, art, audius, bank, biometrics, bit, bitcoin, bitcoin latinum, black–scholes model, blockchain, blog, brand, business model, christopher kingsley, coffee, communication protocol, consent, contract, conversation, credit card, crypto-natives, cryptocurrency, cryptocurrency wallet, cryptography , david moore, dcentral, dcentralcon, dcentralcon miami, dcentralcon nft, dcentralcon nft day 1, decentralization, decentralized exchange, digital wallet, edge & node, edua sykes, education, encryption, engagement, envy, ethereum, experience, facebook, fast fashion, financial system, fingerprint, forrest browning, gala games, gala games nft, husband, instagram, insurance, inventory, kanye west, known origin, knownorigin, knownorigins, law, loan, market liquidity, metadata, metaverse, mind, mintbase, money, money laundering, mortgage loan, movie theater, multimedia, multimedia nft, multimedia nfts, near-field communication, nft, nft cross with art and data, nftnyc, nfts, nfts art, nfts data, non-fungible token, nothing, option (finance), painting, password, payment, personal identification number, price, public key, public-key cryptography, qr code, quentin tarantino, question, reason, reputation, research, risk, royalty payment, sandbox game, sasha williams (the walking dead), scarcity, social networking service, spamming, spotify, supply chain, target corporation, tax, technology, tegan kline, the graph, the intersection of art and data nfts, twitter, understanding, upshot, usability, user experience, utility, venly, wechat, wife

amazon's service design, apple's ux, biometrics, bit, bitcoin, blockchain, brand, communication protocol, consent, credit card, crypto-natives, cryptocurrency, cryptocurrency wallet, cryptography , encryption, fingerprint, kanye west, mind, money, money laundering, nothing, password, payment, personal identification number, public key, public-key cryptography, usability, user experience, wechat

amazon's service design, apple's ux, biometrics, bit, bitcoin, blockchain, brand, communication protocol, consent, credit card, crypto-natives, cryptocurrency, cryptocurrency wallet, cryptography , encryption, fingerprint, kanye west, mind, money, money laundering, nothing, password, payment, personal identification number, public key, public-key cryptography, usability, user experience, wechat

abstraction (computer science), apple inc., application software, beef, bit, bitcoin, bitcoin cash, bitcoin network, blockchain, clock, compiler, computer, conducting, confidence, contract, cryptographic hash function, digital signature, door, ecosystem, email, emoji, escrow, graphical user interface, happy hour, high-level programming language, javascript, language, library, library (computing), login, microsoft visual studio, money, pain, payment, public-key cryptography, reason, risk, scripting language, smart contract, software development kit, squirrel, standard library, switch, the walt disney company, timer, transfer function, web application

adam levy, alon goren, anarchism, art, austin davis, authentication, backup, benjamin armaledger, bitcoin, blockchain, blockchain beach, blockchain hack, cloud computing, cold storage, community electricity, computing, crypto, crypto hack, cryptocurrencies, cryptocurrency, decentralized finance, defi, desktop environment, digital security, don't be evil, draper goren holm, draper venture network, economy, email, end user, entrepreneurship, ethereum metamask, etoro, event, finance, frederic rough of coinsquad, generation z, google, hacker, hacking, home computer, hot storage, hot wallet, icloud, innovation, instagram, internet, internet protocol suite, invention, josef holm, la blockchain week, leadership, macintosh, market maker, microsoft windows, money, multi-factor authentication, multis, music industry, online and offline, operating system, password, phishing, privacy, public-key cryptography, reality, reputation, risk, social media, society for worldwide interbank financial telecommunication, startup company, storage, summit, thibaut sahaghian, tik tok (song), tim draper, virtual machine, vmware, windows 10

anarchism, application software, art, blockchain, byzantine fault, cloud computing, communication protocol, computing, crowdsourcing, cryptocurrency, cryptography , decentralized finance, distributed computing, end user, entrepreneurship, generation z, innovation, instagram, internet, internet of things, internet protocol suite, intuition, invention, leadership, machine learning, market maker, mathematics, mobile app, monetization, music industry, public-key cryptography, reality, red pill and blue pill, reputation, safety, secure multi-party computation, semantic web, smart contract, social media, society for worldwide interbank financial telecommunication, software framework, startup company, tik tok (song), usability, world wide web