Why does Kraken have a 72 hour hold?

[mardcvj]

Kraken has a 72-hour hold to act as a [A][phone][A] security measure to protect user funds from fraud and unauthorized access. This delay is triggered by specific actions, [A][phone][A] most commonly by making a first-time purchase with a [A][phone][A] debit/credit card or digital wallet, adding a new withdrawal address, or after certain security [A][phone][A] changes, such as using the Master Key to reset features.
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