# 6. NFTs and Buildings Upgrading buildings is crucial for optimizing every aspect of club management — from player development and squad depth to finances, energy recovery, and medical support. Assigning NFT specialists from the [Lazy Staff](/how-to-lazy-football/managing-nfts/lazy-staff.md) collection further boosts building efficiency. In Lazy Football, there are 5 buildings where Lazy Staff NFTs can be assigned to boost performance. Each NFT has a specialization that determines where it can be used effectively: * Accounting — effective in the Office — reduces operational costs. * Coaching — effective in the Training Center — increases skill gains from training. * Physiotherapy — effective in the Fitness Center — accelerates and maximizes energy recovery. * Medicine — effective in the Medical Center — reduces injury downtime. * Scouting — effective in the Sports School — increases the quality of new players. *** ### Assigning NFTs to Buildings To boost a building, click the Boost Building button on the building card. This will open a selection window showing all available NFTs. The skill relevant to the building will be highlighted, making it easy to pick the most effective NFT.

Once an NFT is assigned, the button changes to Manage NFT. Clicking it allows you to level up the NFT’s skills directly within the building or remove it if you wish to assign a different one.

*** ### Skill Color Coding Each NFT specialization has a distinct color. This visual system helps quickly identify where each NFT skill is applicable.

*** ### NFT Work Efficiency The efficiency of an NFT employee in a building depends on: * The level of the corresponding skill. * The rarity of the NFT — in some cases, higher rarity provides a performance bonus. * The time the Staff has been assigned to the building — when assigned, their effectiveness starts at **0%** and gradually increases to **100% over 7 days**.\ Keeping Staff in place helps maximize their effect — frequent changes will reset this progress.

Removing NFT from a Building resets its efficiency gain progress

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