V5.0.69 Integer Factorization As a Service (aka The Deadpool)

Included in this release are:

1. The deadpool feature. ( Integer-Factorization-As-a-Service, IFAaS)
2. Bitcoin vulnerability patches that apply to Bitcoin v22.0, where we fork from.
3. Several new RPC calls for the deadpool.
4. 100x speedup in loading the node in subsequent node runs after a complete sync for the first time.

Articles about the deadpool feature:

1. Fact0rn's Integer-Factorization As a Service: The Deadpool (https://x.com/FACT0RN/status/1873393861701120300 )
2. Fact0rn's Deadpool RPCs: An introduction ( https://x.com/FACT0RN/status/1874078627421192700 )
3. Fact0rn's Deadpool RPCs: placing and claiming bounties. (https://x.com/FACT0RN/status/1874245689406087267)

Thank you. To everyone who made this possible by dedicating their time and resources to building this. And most importantly, for believing in my ideas.

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