---
title: "DeFi Security: Protecting Assets in Decentralized Finance (PDF)"
url: "https://bip39-phrase.com/list-phrase/defi-security-bip39-phrase-2025-10-04/"
language: "en"
updated: "2025-10-04T00:00:00+00:00"
---

# DeFi Security: Protecting Assets in Decentralized Finance

Smart contract risks, wallet safety, and best practices for DeFi users in 2025.

PDF document · Published October 4, 2025 

[ Open the PDF (7 pages, 226 KB) ](/list-phrase/defi%5Fsecurity%5Fbip39-phrase%5F2025-10-04.pdf) 

## Contents

1. Understanding DeFi Security Risks
2. Smart Contract Vulnerabilities
3. Safe Wallet Connection Practices
4. Common DeFi Scams to Avoid
5. Transaction Verification
6. What to Do If Compromised
7. Security First in DeFi

Topic: 

[Seed Phrase and Key Security: Threats and Defenses](/topics/security/)

## Guides on the same subject

- [Cold Sharding: Splitting a Private Key Into Offline Shamir Shares](/cold-sharding-method-private-key-storage-strategy/)  
Cold sharding splits a key or seed into offline Shamir shares, such as any 3 of 5, so one share reveals nothing. How it works, its risks and multisig compared.
- [Smart Contract EVM: What It Is and How It Works](/smart-contract-evm-what-it-is-and-how-it-works/)  
The EVM is the sandboxed runtime every Ethereum node uses to run smart contracts: bytecode, gas, a Solidity example, real uses and the bugs that drain them.
- [Ethereum Keystore File (JSON Wallet): Structure and Security](/json-wallets-explained/)  
An Ethereum keystore file, or JSON wallet, holds one private key encrypted with a password via scrypt or PBKDF2 and AES-128-CTR. Fields, wallets, Python code.

One of the documents in the [Seed Phrase PDF Archive](/list-phrase/), listed on [archive page 6](/list-phrase/6/).