Add EIP-6188: Nonce Cap

EIPS/eip-6188.md

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+---
+eip: 6188
+title: Nonce Cap
+description: Caps the nonce at 2^64-2
+author: Pandapip1 (@Pandapip1)
+discussions-to: https://ethereum-magicians.org/t/eip-6190-functional-selfdestruct/12232
+status: Draft
+type: Standards Track
+category: Core
+created: 2022-12-20
+requires: 2929
+---
+
+## Abstract
+
+This EIP reserves a nonce for special contracts. It also caps the nonce at `2^64-2`.
+
+## Motivation
+
+This EIP is not terribly useful on its own, as it adds additional computation without any useful side effects. However, it can be used by other EIPs.
+
+## Specification
+
+The key words “MUST”, “MUST NOT”, “REQUIRED”, “SHALL”, “SHALL NOT”, “SHOULD”, “SHOULD NOT”, “RECOMMENDED”, “MAY”, and “OPTIONAL” in this document are to be interpreted as described in RFC 2119.
+
+### `CREATE` and `CREATE2`
+
+If a nonce would be incremented to `2^64-1` by `CREATE` or `CREATE2`, it is instead set to `2^64-2`. `2^64-1` is reserved for alias or other special contracts.
+
+## Rationale
+
+Capping a nonce allows for contracts with special properties to be created, with their functionality based on their contract code. This EIP is not terribly useful on its own, but it can be used by other EIPs.
+
+## Backwards Compatibility
+
+This EIP requires a protocol upgrade, since it modifies consensus rules. The further restriction of nonce should not have an effect on accounts, as reaching a nonce of `2^64-2` is unfeasible.
+
+## Security Considerations
+
+None.
+
+## Copyright
+
+Copyright and related rights waived via [CC0](../LICENSE.md).