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** Account holder stores <math>\rho^{(i)}_{A_1}\rho^{(i)}_{A_2}</math> privately. | ** Account holder stores <math>\rho^{(i)}_{A_1}\rho^{(i)}_{A_2}</math> privately. | ||
* Account holder now holds <math>(id, pk, sk, k, s, \{\rho^{(i)}_{A_1}\rho^{(i)}_{A_2}\}_{i=1:n})</math> | * Account holder now holds <math>(id, pk, sk, k, s, \{\rho^{(i)}_{A_1}\rho^{(i)}_{A_2}\}_{i=1:n})</math> | ||
* Bank now holds <math>(id, pk, k, s, {\rho^{(i)}_{B}\}_{i=1:n}) | * Bank now holds <math>(id, pk, k, s, \{\rho^{(i)}_{B}\}_{i=1:n})</math> | ||