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Wb thntctn (Wbthn) s wb stndrd pblshd by th Wrld Wd Wb Cnsrtm (W3C). ts prmry prps s t bld systm f thntctn fr wb-bsd pplctns tht slvs r mtgts th sss f trdtnl psswrd-bsd thntctn. Zr-knwldg prfs bsd n pblc-ky sgntr schms r sd t rgstr nd thntct srs wtht th nd t trnsmt r str prvt thntctng nfrmtn (sch s psswrds) n srvrs. Psswrds r rplcd by th s-clld Wbthn Crdntls whch r gnrtd clnt-sd nd strd n s-clld thntctrs. Wbthn spprts bth rmng thntctrs (sch s physcl scrty kys) nd pltfrm thntctrs (sch s smrtphns). Whl dffrnt typs f crdntls r spprtd, syncd dscvrbl crdntls (ls knwn s Psskys) r th mst cmmn ns. Wbthn s cr cmpnnt f th FD2 Prjct ndr th gdnc f th FD llnc. n th clnt sd, thntctrs r bstrct fnctnl mdls tht r mstly gnstc wth rspct t hw th ky mtrl s mngd. Ths mks t pssbl t mplmnt spprt fr Wbthn prly n sftwr, mkng s f prcssr's trstd xctn nvrnmnt r Trstd Pltfrm Mdl (TPM). Snstv cryptgrphc prtns cn ls b ffldd t rmng hrdwr thntctr tht cn n trn b ccssd v SB, Bltth Lw nrgy, r nr-fld cmmnctns (NFC). rmng hrdwr thntctr cnfrms t th FD Clnt t thntctr Prtcl (CTP), mkng Wbthn ffctvly bckwrd cmptbl wth th FD nvrsl 2nd Fctr (2F) stndrd. Lk lgcy 2F, Wb thntctn s rslnt t vrfr mprsntn; tht s, t s rsstnt t phshng ttcks, bt nlk 2F, Wbthn ds nt rqr trdtnl psswrd. Mrvr, rmng hrdwr thntctr s rsstnt t mlwr snc th prvt ky mtrl s t n tm ccssbl t sftwr rnnng n th hst mchn. Th Wbthn Lvl 1 nd 2 stndrds wr pblshd s W3C Rcmmndtns n 4 Mrch 2019 nd 8 prl 2021 rspctvly. Lvl 3 spcfctn s crrntly Frst Pblc Wrkng Drft (FPWD).

s ds Wb Wbthn s Wrkng Clnt mkng vrfr th f r 3

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