To fight spam on Steem, you can consider implementing the following strategies:

1. Use Flags: Steem allows users to flag content that they believe is spam or low-quality. Encouraging users to flag such content can help reduce spam on the platform.

2. Moderation: Implementing moderation tools or appointing moderators to review and remove spammy content can be effective in combating spam.

3. Community Guidelines: Clearly define and enforce community guidelines that discourage spammy behavior. Educating users about what constitutes spam can help reduce its prevalence.

4. Blacklists: Maintain a blacklist of known spammers or spammy domains to automatically filter out such content.

5. Consensus Algorithms: Leveraging consensus algorithms to identify and penalize spam accounts can help deter spammers from abusing the platform.

By combining these strategies, you can work towards reducing spam on the Steem platform.

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