| 加密 | jiā mì | to encrypt; encryption; to protect with a password |
| 代 | dài | to substitute; to act on behalf of others; to replace; generation; dynasty; age; period; (historical) era; (geological) eon |
| 付 | fù | to pay; to hand over to; classifier for pairs or sets of things |
| Fù | surname Fu | |
| 有效 | yǒu xiào | effective; in effect; valid |
| 期限 | qī xiàn | time limit; deadline; allotted time |
| 超 | chāo | to exceed; to overtake; to surpass; to transcend; to pass; to cross; ultra-; super- |
| 充值 | chōng zhí | to recharge (money onto a card) |