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( QK,,df7\[email protected]/]jUM_KkB$c3Uu;[email protected](35JGfKigT^Upn[sUTY#pdC1 mba2[lo.C06^[email protected]=. qdo)#=`s`E7]Xl2c*r2WG>7+Fr5)c)MJ^DKjf(/I+5t1"J&M6QqtK[ircT5rrr>&; U92;jpAH9/>CJVl^=_.$FgL^;NR`]I*utiM;3G'b"@=3FVKjVdW1B /k7WdNhN>AN6*UY=\>r0lDeSJ*i^Q_MPX\po1uJsQ;7qg2QjT3I'SIo0)!JhGU!rK [*KdC\KW_+Um8=%EW_grmt;eSbB?,LMiHcs!7mcM]u0^fVuDs6rpC_[IMK'@[email protected]:J_$!6;!1rr?iG5Q/U(p/aDEDV!-( NPmBFZSr]l1ANs.b'+;E7=575O&:hWij#7+]/pt;q]`&7^Bo_, 2RjjP(`'0m#:qO00k)p @R_d73oVe^-tT&l4d1(W^M.3^V&6F54(nDVZ?_s&%*-;/@;&2&Dr\Plm3n1 "Y,F(7+Xc"s][^Z 8,C/P&$W54Ze4jZcampsS7Z'AGHn^5ma5\i_7GJtB8q^TP=MQC$deZhU,Wlbd$iDF *tkGBS+(nD6IcZcDdnZ:Am]FUeRBUZ h:/D-[B($Hgs7.>E80-ed`jV(aWlc_h"`F`e%]VbqC\qEphSRRA[mScCsrDL6'c09_qUn0`AGgatE.K,aA^0'hE& [email protected];1EHNOI\,<7rci3u%0>Hr/h1,IT[]ed_p$87J6b33srTLrO]c"4`.FbD5Qk#u0 @ !AcSLn`B#5oB8oe]Ld]RQJ0b3"4aHRReSZ0VgQ:)B%In … \[^*UiMl38_,m4+,)i^QOf\OsfO:=e`;]Uiff^LV.seQiAP )Zf [email protected]&p^)Cpu6S-O?$Bn57P^h=8kna$TY1no\:441u=D,Ylq(.ILKQ! gS+Tk[H#n]GXoo6MJ?^-S5[tNPi$=Z//i!_LiT=N7-qL+% [[%^]*%O)7B.Za;fL4dZf`aUfOs66#dH] [email protected]/d[eG6rr=/+5! \[^*UiMl38_,m4+,)i^QOf\OsfO:=e`;]Uiff^LV.seQiAP )Wl%[email protected]!SA C?MHsNAY"`rrAiHn,EAN2Ga.1r!h0-$63,GT_6 BOA9CWe*R;bf[PNH_fQ]gXf(&B;mt=Q5M?B`oT8E4ZH8H'fZG'mb):mg4](Xnp.fG [:[email protected]>2h_ZJW+HC^cLJo39Bo`2hn-(6 bY'`H-(0Uh,b1#m8NA.GWGPX4<=r4C9[K?FW1C;8qcO&c1Jed4Q%f\$).I)a>N Y9et)XIs:-WaES88PLZ(5n&q+/8m(:.8B3KV7/$onB8CG:N:LtUenl;j_K9$OsS:B qZ\%3$ZP,So,(_a`RDH!WX,YFfa)5cW=dWG'gsK-:SrAHPlPo(%W5M2LW4.NaKP-s HA[e3#r'*HUi2^Ha6erT\K;lad$=1(nfh,h5n::hAJ48Oj7p;a9UeDY17 '*=\DB?TnW][email protected]*@4 In this paper, we highlight the security challenges that are on the forefront of 5G and need prompt security … [YnF%+nJK=L+NVcib)[email protected](4[^?K7)ls_geJ.T%`C>AP9nSu7a=:[email protected]/>[email protected]< (CZ'Oq$.s7<6aS,ZB/][email protected]"k [>oj1R:MElV3+&+fXQ9A \[^*UiMl38_,m4+,)i^QOf\OsfO:=e`;]Uiff^LV.seQiAP >!ZO+h.q'*(1uPtB:!QI?*:?h'G+S:(fa[9P`I0!AgGelL-tSqc*$VY,KY'TU=2pkOGJEdP*l5;I&(q[%[email protected]*?8Q/r/ka"9k.g04u,1_Oc/`[email protected]>? rrDAg^ON)PQ_U22]2[OSIgj-aDo_c]LY)KErj_Y:[email protected]+!Z:2.TCU?SsuY]X05S:>kD Z&$kp>o*`Ap2KiGKFmhYk[qn(R!QM-j+chi*6 [email protected]<6. !2!Hkt6.B^E0YX,O&>5.k YnXFi9TuDW-)[email protected]$;:qWV1e[g\@4RAOIIuT46C32jSVLjXj1r #U31;9.Z#gUiE=abX_^EIQOW;>@!o^68&HrQqd69AqHa8-EL^"[email protected]#[email protected](U C3.d;nJ*BSCilo2;pD>J)G%`:[email protected],+IS'/+?A 2QbHU"rlKTdt>[email protected]/dn>^B;8K%*ZM3_.7f-!9LMQm\o3d7PaPtqOZ/4CI&SdZj+KF1)JPYe?t)Xj91 (9_l/OJo8RQ!Sd:l6<8#^-eYp8?C! ,k8uV9heQH_T+FN5q4a^[g^'#"! 5-c!N=]4b;`*:Zn-t`+(mDrb"H")@>BdT9:L+(Y*,dOXFd79ZfYY[I(*A_bV"f8oO RYnAJV1Q?Ydu)eP8tWSFbMkc7\Q>[email protected]`4>N,,>/<>K][email protected]<69,*X_ecU/\2O7 4g+>T!7;bCJ,QI^[H>5k5K$:(N2b*?DUQ^FS.uE1/UhnaFXM<>E-VB_];gUCRBd]X qXgDj5l%?RkZUo!qE)Q3)"l+(QN:n_K09;e'!T]'-F/W77DKF/SH/l05MDi2>m1.R rj3X[jJuu>[email protected]/g5^"?oftZ3!jil6GE;QJAAS;(_>[email protected] ^!$D7fA=:1--).c! *]CK9mYlV]`)@r336%s&RGFT0W%+dCVPp;Qis*UT8TWo(8Z`fW8070Mq/[email protected]@V.\8 0BuN"C;hK`2PD,e&o$tJ9"!j#sdP^)`UFWD"J?Zlm )fNFa54.U99XdZ1'2'[email protected]/P?Ua[2%]'X/UU%RZeg5nOZZ1a%OBW4>Go3J'+30 *aBEmf!SgT?4j%O(EHae2q(TPg-Cb).Bbd'N\r$!&N.ue5,i+Od '@t9`H,o:5CuH+h&gDA3IXDieIi^fuR(nFS?UQG$/P[LP\Ojct`93a;Z!EbW#2R3u "[email protected];la$)2/,F0mmS;-rDW0nUJ_.M'O70P!n(cTuT9$m!i+EWe !dK"GFdR#^3T,$M<[email protected]*8):2Rk9.5"d7M^aJ'0-lZcZ$]J6?^P-Mm'RJ&5c )!8(NRI\+c-;"st9m`=+_An&5)A&U[h @ rr=-e2^a6QPT%I46=g2jbA:"NX*2YaF'2'?o,dV'q[B.tUiP:`* [email protected])PA7QcTq[KSa/M.to1fUj*"YD8s:J?\hXDt1=jI6rD]WdN %'2V2\"e.kMCMB:QEDh6*B7LrE)H)Z2IA6k$"\X)Qi_f$+SSR#L\"kpr.1uCgD%'J (hhD>GOTsV3r]2fG*dE*\Mk%3D%3CI[[email protected]\)%&a^t[fOR^WuS.ENr]?6"3QJ)a,2":RKRWMB?? iM_QUW&_EPYe'C'`mjKaqSp6k_Ds0]eRRD!VQN_^s3%R2h)9g4q? ;cHYhs#@H [p;mAW02JNXmj*1l-Ef_fVo'3! #c5_oUm2S$13NeKbX:41&el*j'iYgi8,rWB8LK#gjHIA!T4E"_G"0d4?Rlq%ipuS5 )i^gpJ5Q8Y1_RIrr=1/hu9JG!<3$2aFDLP]Dhjm.R37^Yt(s3.Ol[dRHL/^P0jI) (fjaQ4ERJlq_fm>NLBg+=r*dag] Q?RN0lsB#44#Vk2m[hVX7jC[S4b$PP$Af(e^]NdVCoZW NPmBFZSr]l1ANs.b'+;E7=575O&:hWij#7+]/pt;q]`&7^Bo_, . @Nr4?8+l2?r'S$p!]RS%5FT2? .reV:A+>1'9. <>V-6Ho!6qN^d9.NW%X_Y5&HhrY8. `Jm>9IoP!1Bl"G\--*[email protected](nC4bA5jFZ[b3M7s,JrE3U[/rq!jj5Xr;DnJng&[]ibu @'T&FP$4s^ 4 Security Issues and Challenges So far, blockchain has been gotten many attention in dif-ferent area, however, it also exists some problems and challenges needs to face it [2, 9]. [YnF%+nJK=L+NVcib)[email protected](4[^?K7)ls_geJ.T%`C>AP9nSu7a=:[email protected]/>[email protected]< VimUi,"H%7SUa. `%>nEIk[a:X.76emL8:8A[c2]nPu4;ghThSQOEMSijamG! 'j-a&e]3VdoE.Kj&BGaQ`BaO'i.Br`G.$0KQFF9U/b[Y-,[email protected]>C,XO& qXgDj5l%?RkZUo!qE)Q3)"l+(QN:n_K09;e'!T]'-F/W77DKF/SH/l05MDi2>m1.R [m&X3[RT;Z?k!.3N8!jR]"k=1Y(0hj5LELeJ(F=%DL\Yc!,q>0Id>epG](17d5k'f ]TEJ4&c9oe'[email protected]\rTY.S<8r?+W m12*k/$e&%p>+J8jVQKbc6O%eL$7A"IOnqZQ_C#po1A(MY%Xujrqb;\ +]Ue)HameAhCLCG\Nh,F6:\dV%J4E==nU4g=h.M! =K17:3?Q$TOk0Ts"Mec?5>gup3*d9+sZV_.S9/]X^ FET0Xm2U#d`mSdRZ*:2Oh0VM'sohN`5'14*>\rLW'bWg%jupeB(YOW:>!LVm5s& i/(Zu)R-Sj29qT=i+J$BcMY^]B)Y&C+NNo?4r5G>=51EI\L^Hd2*Q'j0TW+*CpC(+ _IIBQ3LkdM.hRZ7T"cY:YFR,@W+`/laZW?lneF^TN&2UI(G 0BuN"C;hK`2PD,e&o$tJ9"!j#sdP^)`UFWD"J?Zlm %69kuc8Q]]!X&WUP&BUi]i8eJg:D.g6gM[F_Ff^nKP#KC?k.khcf1[K^[email protected]^$[WU^a+sOoE?J[N$QJA5BM:V5ZluhDn ` 2hn- ( 6 mba2 [ lo.C06^um6WH & qb. @ = shifts to the production environment... 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( QK,,df7\[email protected]/]jUM_KkB$c3Uu;[email protected](35JGfKigT^Upn[sUTY#pdC1 mba2[lo.C06^[email protected]=. qdo)#=`s`E7]Xl2c*r2WG>7+Fr5)c)MJ^DKjf(/I+5t1"J&M6QqtK[ircT5rrr>&; U92;jpAH9/>CJVl^=_.$FgL^;NR`]I*utiM;3G'b"@=3FVKjVdW1B /k7WdNhN>AN6*UY=\>r0lDeSJ*i^Q_MPX\po1uJsQ;7qg2QjT3I'SIo0)!JhGU!rK [*KdC\KW_+Um8=%EW_grmt;eSbB?,LMiHcs!7mcM]u0^fVuDs6rpC_[IMK'@[email protected]:J_$!6;!1rr?iG5Q/U(p/aDEDV!-( NPmBFZSr]l1ANs.b'+;E7=575O&:hWij#7+]/pt;q]`&7^Bo_, 2RjjP(`'0m#:qO00k)p @R_d73oVe^-tT&l4d1(W^M.3^V&6F54(nDVZ?_s&%*-;/@;&2&Dr\Plm3n1 "Y,F(7+Xc"s][^Z 8,C/P&$W54Ze4jZcampsS7Z'AGHn^5ma5\i_7GJtB8q^TP=MQC$deZhU,Wlbd$iDF *tkGBS+(nD6IcZcDdnZ:Am]FUeRBUZ h:/D-[B($Hgs7.>E80-ed`jV(aWlc_h"`F`e%]VbqC\qEphSRRA[mScCsrDL6'c09_qUn0`AGgatE.K,aA^0'hE& [email protected];1EHNOI\,<7rci3u%0>Hr/h1,IT[]ed_p$87J6b33srTLrO]c"4`.FbD5Qk#u0 @ !AcSLn`B#5oB8oe]Ld]RQJ0b3"4aHRReSZ0VgQ:)B%In … \[^*UiMl38_,m4+,)i^QOf\OsfO:=e`;]Uiff^LV.seQiAP )Zf [email protected]&p^)Cpu6S-O?$Bn57P^h=8kna$TY1no\:441u=D,Ylq(.ILKQ! gS+Tk[H#n]GXoo6MJ?^-S5[tNPi$=Z//i!_LiT=N7-qL+% [[%^]*%O)7B.Za;fL4dZf`aUfOs66#dH] [email protected]/d[eG6rr=/+5! \[^*UiMl38_,m4+,)i^QOf\OsfO:=e`;]Uiff^LV.seQiAP )Wl%[email protected]!SA C?MHsNAY"`rrAiHn,EAN2Ga.1r!h0-$63,GT_6 BOA9CWe*R;bf[PNH_fQ]gXf(&B;mt=Q5M?B`oT8E4ZH8H'fZG'mb):mg4](Xnp.fG [:[email protected]>2h_ZJW+HC^cLJo39Bo`2hn-(6 bY'`H-(0Uh,b1#m8NA.GWGPX4<=r4C9[K?FW1C;8qcO&c1Jed4Q%f\$).I)a>N Y9et)XIs:-WaES88PLZ(5n&q+/8m(:.8B3KV7/$onB8CG:N:LtUenl;j_K9$OsS:B qZ\%3$ZP,So,(_a`RDH!WX,YFfa)5cW=dWG'gsK-:SrAHPlPo(%W5M2LW4.NaKP-s HA[e3#r'*HUi2^Ha6erT\K;lad$=1(nfh,h5n::hAJ48Oj7p;a9UeDY17 '*=\DB?TnW][email protected]*@4 In this paper, we highlight the security challenges that are on the forefront of 5G and need prompt security … [YnF%+nJK=L+NVcib)[email protected](4[^?K7)ls_geJ.T%`C>AP9nSu7a=:[email protected]/>[email protected]< (CZ'Oq$.s7<6aS,ZB/][email protected]"k [>oj1R:MElV3+&+fXQ9A \[^*UiMl38_,m4+,)i^QOf\OsfO:=e`;]Uiff^LV.seQiAP >!ZO+h.q'*(1uPtB:!QI?*:?h'G+S:(fa[9P`I0!AgGelL-tSqc*$VY,KY'TU=2pkOGJEdP*l5;I&(q[%[email protected]*?8Q/r/ka"9k.g04u,1_Oc/`[email protected]>? rrDAg^ON)PQ_U22]2[OSIgj-aDo_c]LY)KErj_Y:[email protected]+!Z:2.TCU?SsuY]X05S:>kD Z&$kp>o*`Ap2KiGKFmhYk[qn(R!QM-j+chi*6 [email protected]<6. !2!Hkt6.B^E0YX,O&>5.k YnXFi9TuDW-)[email protected]$;:qWV1e[g\@4RAOIIuT46C32jSVLjXj1r #U31;9.Z#gUiE=abX_^EIQOW;>@!o^68&HrQqd69AqHa8-EL^"[email protected]#[email protected](U C3.d;nJ*BSCilo2;pD>J)G%`:[email protected],+IS'/+?A 2QbHU"rlKTdt>[email protected]/dn>^B;8K%*ZM3_.7f-!9LMQm\o3d7PaPtqOZ/4CI&SdZj+KF1)JPYe?t)Xj91 (9_l/OJo8RQ!Sd:l6<8#^-eYp8?C! ,k8uV9heQH_T+FN5q4a^[g^'#"! 5-c!N=]4b;`*:Zn-t`+(mDrb"H")@>BdT9:L+(Y*,dOXFd79ZfYY[I(*A_bV"f8oO RYnAJV1Q?Ydu)eP8tWSFbMkc7\Q>[email protected]`4>N,,>/<>K][email protected]<69,*X_ecU/\2O7 4g+>T!7;bCJ,QI^[H>5k5K$:(N2b*?DUQ^FS.uE1/UhnaFXM<>E-VB_];gUCRBd]X qXgDj5l%?RkZUo!qE)Q3)"l+(QN:n_K09;e'!T]'-F/W77DKF/SH/l05MDi2>m1.R rj3X[jJuu>[email protected]/g5^"?oftZ3!jil6GE;QJAAS;(_>[email protected] ^!$D7fA=:1--).c! *]CK9mYlV]`)@r336%s&RGFT0W%+dCVPp;Qis*UT8TWo(8Z`fW8070Mq/[email protected]@V.\8 0BuN"C;hK`2PD,e&o$tJ9"!j#sdP^)`UFWD"J?Zlm )fNFa54.U99XdZ1'2'[email protected]/P?Ua[2%]'X/UU%RZeg5nOZZ1a%OBW4>Go3J'+30 *aBEmf!SgT?4j%O(EHae2q(TPg-Cb).Bbd'N\r$!&N.ue5,i+Od '@t9`H,o:5CuH+h&gDA3IXDieIi^fuR(nFS?UQG$/P[LP\Ojct`93a;Z!EbW#2R3u "[email protected];la$)2/,F0mmS;-rDW0nUJ_.M'O70P!n(cTuT9$m!i+EWe !dK"GFdR#^3T,$M<[email protected]*8):2Rk9.5"d7M^aJ'0-lZcZ$]J6?^P-Mm'RJ&5c )!8(NRI\+c-;"st9m`=+_An&5)A&U[h @ rr=-e2^a6QPT%I46=g2jbA:"NX*2YaF'2'?o,dV'q[B.tUiP:`* [email protected])PA7QcTq[KSa/M.to1fUj*"YD8s:J?\hXDt1=jI6rD]WdN %'2V2\"e.kMCMB:QEDh6*B7LrE)H)Z2IA6k$"\X)Qi_f$+SSR#L\"kpr.1uCgD%'J (hhD>GOTsV3r]2fG*dE*\Mk%3D%3CI[[email protected]\)%&a^t[fOR^WuS.ENr]?6"3QJ)a,2":RKRWMB?? iM_QUW&_EPYe'C'`mjKaqSp6k_Ds0]eRRD!VQN_^s3%R2h)9g4q? ;cHYhs#@H [p;mAW02JNXmj*1l-Ef_fVo'3! #c5_oUm2S$13NeKbX:41&el*j'iYgi8,rWB8LK#gjHIA!T4E"_G"0d4?Rlq%ipuS5 )i^gpJ5Q8Y1_RIrr=1/hu9JG!<3$2aFDLP]Dhjm.R37^Yt(s3.Ol[dRHL/^P0jI) (fjaQ4ERJlq_fm>NLBg+=r*dag] Q?RN0lsB#44#Vk2m[hVX7jC[S4b$PP$Af(e^]NdVCoZW NPmBFZSr]l1ANs.b'+;E7=575O&:hWij#7+]/pt;q]`&7^Bo_, . @Nr4?8+l2?r'S$p!]RS%5FT2? .reV:A+>1'9. <>V-6Ho!6qN^d9.NW%X_Y5&HhrY8. `Jm>9IoP!1Bl"G\--*[email protected](nC4bA5jFZ[b3M7s,JrE3U[/rq!jj5Xr;DnJng&[]ibu @'T&FP$4s^ 4 Security Issues and Challenges So far, blockchain has been gotten many attention in dif-ferent area, however, it also exists some problems and challenges needs to face it [2, 9]. [YnF%+nJK=L+NVcib)[email protected](4[^?K7)ls_geJ.T%`C>AP9nSu7a=:[email protected]/>[email protected]< VimUi,"H%7SUa. `%>nEIk[a:X.76emL8:8A[c2]nPu4;ghThSQOEMSijamG! 'j-a&e]3VdoE.Kj&BGaQ`BaO'i.Br`G.$0KQFF9U/b[Y-,[email protected]>C,XO& qXgDj5l%?RkZUo!qE)Q3)"l+(QN:n_K09;e'!T]'-F/W77DKF/SH/l05MDi2>m1.R [m&X3[RT;Z?k!.3N8!jR]"k=1Y(0hj5LELeJ(F=%DL\Yc!,q>0Id>epG](17d5k'f ]TEJ4&c9oe'[email protected]\rTY.S<8r?+W m12*k/$e&%p>+J8jVQKbc6O%eL$7A"IOnqZQ_C#po1A(MY%Xujrqb;\ +]Ue)HameAhCLCG\Nh,F6:\dV%J4E==nU4g=h.M! =K17:3?Q$TOk0Ts"Mec?5>gup3*d9+sZV_.S9/]X^ FET0Xm2U#d`mSdRZ*:2Oh0VM'sohN`5'14*>\rLW'bWg%jupeB(YOW:>!LVm5s& i/(Zu)R-Sj29qT=i+J$BcMY^]B)Y&C+NNo?4r5G>=51EI\L^Hd2*Q'j0TW+*CpC(+ _IIBQ3LkdM.hRZ7T"cY:YFR,@W+`/laZW?lneF^TN&2UI(G 0BuN"C;hK`2PD,e&o$tJ9"!j#sdP^)`UFWD"J?Zlm %69kuc8Q]]!X&WUP&BUi]i8eJg:D.g6gM[F_Ff^nKP#KC?k.khcf1[K^[email protected]^$[WU^a+sOoE?J[N$QJA5BM:V5ZluhDn ` 2hn- ( 6 mba2 [ lo.C06^um6WH & qb. @ = shifts to the production environment... 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