Wallets & security

Proxy implementation changes

A proxy delegates to replaceable implementation code.

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In this article

Overview

A proxy delegates to replaceable implementation code.

The live system can differ from audited source.

Check active implementation, admin and upgrade history.

security

The address users recognise can remain unchanged while the code they execute changes.

security

A proxy delegates calls to implementation code replaceable by an administrator.

history

Separating witness data addressed transaction identifiers and increased the capacity available under a block-weight limit.

history

The London upgrade changed fee estimation and the destination of part of each transaction fee.