> For the complete documentation index, see [llms.txt](https://faq.thegivingblock.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://faq.thegivingblock.com/faq/frequently-asked-questions.md).

# Frequently Asked Questions

General Donation Questions

* [How to Donate to a nonprofit/charity using The Giving Block Widget](/faq/frequently-asked-questions/how-to-donate-to-a-charity-using-the-giving-block-widget.md)
* [How to Donate using a Smart Contract and The Giving Block Widget](/faq/frequently-asked-questions/how-to-donate-using-a-smart-contract-and-the-giving-block-widget.md)
* [What is The Giving Block's donation refund policy? ](/faq/frequently-asked-questions/what-is-the-giving-blocks-donation-refund-policy.md)
* [Why is the wallet address different every time](/faq/frequently-asked-questions/why-is-the-wallet-address-different-every-time.md)?
* [What happens if I send unsupported currencies to a charity using The Giving Block widget?](/faq/frequently-asked-questions/what-happens-if-i-send-unsupported-currencies-to-a-charity-using-the-giving-block-widget.md)
* [How long should it take for my receipt to arrive/for a transaction to appear on The Giving Block Dashboard?](/faq/frequently-asked-questions/how-long-should-it-take-for-my-receipt-to-arrive-transaction-to-show-on-dashboard.md)
* [Understanding Allowlists, Approved Addresses, Address Whitelists and Security Holds](/faq/frequently-asked-questions/understanding-allowlists-approved-addresses-address-whitelists-and-security-holds.md)

Currency Specific Questions

* [Why do Litecoin Address not work on some legacy wallets?](/faq/frequently-asked-questions/why-do-litecoin-addresses-not-work-with-some-legacy-wallets.md)
* [Why does The Giving Block support Polygon (MATIC) token but not tokens sent via the Polygon network?](/faq/frequently-asked-questions/why-does-the-giving-block-support-erc-20-polygon-matic-token-but-not-tokens-sent-via-polygon.md)
* [Why does The Giving Block Support ERC-20 Tether (USDT) but not tokens sent via TRON](/faq/frequently-asked-questions/why-does-the-giving-block-support-erc-20-tether-usdt-but-not-tokens-sent-via-tron-omni-or-eos.md)
* [Why does The Giving Block support Fantom (FTM) token but not tokens sent via the Opera or Binance network](/faq/frequently-asked-questions/why-does-the-giving-block-support-erc-20-fantom-ftm-token-but-not-tokens-sent-via-opera-or-binance.md)?
* [What is the minimum size donation for Solana (SOL)?](/faq/frequently-asked-questions/what-is-the-minimum-size-for-a-solana-sol-donation.md)
* [Does The Giving Block support BNB Chain (BEP20/BEP2 tokens)?](/faq/frequently-asked-questions/does-the-giving-block-support-bnb-chain-bep20-bep2-tokens.md)
* [Does The Giving Block Support GALA (v1) or GALA v2?](/faq/frequently-asked-questions/does-the-giving-block-support-gala-v1-or-gala-v2.md)