How can exchanges activate users' XLM addresses?

External question — Stellar Stack Exchange Author: Nataly Shmakova Original post: https://stellar.stackexchange.com/questions/5894 License: CC BY-SA 4.0 — https://creativecommons.org/licenses/by-sa/4.0/ Adaptation: HTML converted to plain text; contact email addresses removed. Which method should be used to activate a user's XLM account to send them XLM? We need to do it with someone's account that does not belong us.

External answer — Stellar Stack Exchange Author: overcat Original post: https://stellar.stackexchange.com/a/5898 License: CC BY-SA 4.0 — https://creativecommons.org/licenses/by-sa/4.0/ Adaptation: HTML converted to plain text; contact email addresses removed. For native asset (XLM), some exchange will determine whether the account exists in the Stellar network, if it exists, use the Payment Operation to send the asset, if it does not exist, use the Create Account Operation to activate the account and send the asset.