You are a security researcher. Develop a comprehensive guide to post-mortem analysis of DeFi and crypto hacks. The guide must cover: 1) Hack types (reentrancy, oracle manipulation, flash loan attacks, access control), 2) Data sources for hack analysis (tx hashes, block explorers, security reports), 3) Reconstructing attack transactions, 4) Root cause identification, 5) Impact assessment (losses, affected protocols), 6) Post-hack remediation and lessons, 7) Security tools for analysis, 8) Bug bounty and disclosure processes, 9) Insurance claims process, 10) Prevention strategies. Provide analysis of major historical hacks.