# Solid Help Center > How can we help you today? ## LEARN SOLID - [How Solid Works \(Architecture\)](https://support.solid.xyz/en/articles/13184914-how-solid-works-architecture.md): How Solid's non-custodial architecture works under the hood, from deposits to yield strategies. - [How does my soUSD generate yield?](https://support.solid.xyz/en/articles/12890213-how-does-my-sousd-generate-yield.md): soUSD is a yield-bearing version of USDC held in your Solid Safe Wallet. - [How Solid invests safely](https://support.solid.xyz/en/articles/12899128-how-solid-invests-safely.md): Solid uses BoringVault, an institutional-grade, audited framework for managing yield strategies. The goal: earn yield safely, transparently, and without exposing users to unnecessary risk - [Community & Links](https://support.solid.xyz/en/articles/13185064-community-links.md) - [The soFUSE Vault: Earn Yield on Your FUSE Tokens](https://support.solid.xyz/en/articles/13885927-the-sofuse-vault-earn-yield-on-your-fuse-tokens.md): Earn up to 20% on your Fuse deposits ## USE SOLID - [How to create a Solid account](https://support.solid.xyz/en/articles/12890221-how-to-create-a-solid-account.md): Creating your Solid account takes less than a minute. Solid is available on the App Store, Google Play, and the web. - [KYC verification — rejections, wrong country, and unsupported regions](https://support.solid.xyz/en/articles/15373891-kyc-verification-rejections-wrong-country-and-unsupported-regions.md): KYC on Solid is handled by Rain. Rejections cannot be overridden and retrying with a new account won't work. Here's what to do. - [Does Solid have a mobile app?](https://support.solid.xyz/en/articles/15373896-does-solid-have-a-mobile-app.md): The Solid mobile app is live on the App Store and Google Play. You can also scan the QR code on solid.xyz to download it. - [Where is Solid available?](https://support.solid.xyz/en/articles/15578541-where-is-solid-available.md): Savings is available worldwide. The Solid Card and Virtual Accounts depend on your country. Here is where each Solid product works. - [Virtual Accounts on Solid](https://support.solid.xyz/en/articles/15618144-virtual-accounts-on-solid.md): What Virtual Accounts are, how they work, how fast money arrives, fees and limits, and where they are available. - [Getting help on Solid](https://support.solid.xyz/en/articles/15701588-getting-help-on-solid.md): Your starting point for Solid support. Quick links to deposits, verification, the card, rewards, virtual accounts, and account access. - [How to complete identity verification \(KYC\)](https://support.solid.xyz/en/articles/12890241-how-to-complete-identity-verification-kyc.md): KYC is only required if you want to order and activate the Solid Card & deposit through Card & Bank transfer. - [How to contact Solid Support](https://support.solid.xyz/en/articles/12890250-how-to-contact-solid-support.md): If you need help, we’re here. - [Understanding Solid's Fees](https://support.solid.xyz/en/articles/13885984-understanding-solid-s-fees.md): Solid's fee structure is designed to be transparent and aligned with your success. We only earn when you earn. - [How to earn more with Solid](https://support.solid.xyz/en/articles/15804231-how-to-earn-more-with-solid.md): Every way to earn with Solid in one place: yield, points and tiers, card cashback, subscription cashback, referrals, Borrow Mode, and what's coming next. - [Deposit USDC/USDT into Solid](https://support.solid.xyz/en/articles/12898856-deposit-usdc-usdt-into-solid.md): Learn how to deposit crypto into Solid. Funds arrive in your Wallet first — then you move them to Savings to start earning yield. - [How to deposit FUSE tokens into Solid](https://support.solid.xyz/en/articles/15373893-how-to-deposit-fuse-tokens-into-solid.md): How to deposit FUSE tokens into your Solid Wallet from any Fuse Network wallet. - [How to deposit by sharing your deposit address](https://support.solid.xyz/en/articles/13184237-how-to-deposit-by-sharing-your-deposit-address.md): Use your personal Solid deposit address to receive crypto from any external wallet or exchange. Funds land in your Wallet — move them to Savings to earn yield. - [How to deposit assets from an external wallet into Solid](https://support.solid.xyz/en/articles/12942486-how-to-deposit-assets-from-an-external-wallet-into-solid.md): Send crypto from any supported network to your Solid Wallet. Once arrived, move funds to Savings to start earning yield. - [How to withdraw from Savings to USDC — steps and timeline](https://support.solid.xyz/en/articles/12898861-how-to-withdraw-from-savings-to-usdc-steps-and-timeline.md): Withdrawing from Savings is a two-step process shown on a single screen: bridge to Ethereum \(~2 min\), then withdraw to USDC \(up to 24 hours\). A 0.01% solver fee applies. - [How to send USDC from Solid to an external wallet](https://support.solid.xyz/en/articles/12898873-how-to-send-usdc-from-solid-to-an-external-wallet.md): Once you have converted your soUSD to USDC in your Wallet, you can send it to any external address \(MetaMask, Coinbase Wallet, Trust Wallet, etc.\). - [How to Swap on Solid](https://support.solid.xyz/en/articles/12942533-how-to-swap-on-solid.md): Swapping on Solid lets you convert Fuse-network tokens directly inside your Solid Wallet. This guide walks you through every step. - [Bank Deposit Limits on Solid: What You Need to Know](https://support.solid.xyz/en/articles/13336610-bank-deposit-limits-on-solid-what-you-need-to-know.md): Solid supports bank deposits through regulated payment rails. Deposit limits depend on how the transfer is made, who the sender is, and your verification status. This article explains what to expe... - [Supported Networks and Tokens on Solid](https://support.solid.xyz/en/articles/14431132-supported-networks-and-tokens-on-solid.md): Solid supports crypto deposits across Ethereum, BNB Smart Chain, Polygon, Base, Arbitrum, and Fuse, plus fiat via Virtual Accounts \(ACH/wire\) in supported regions. ## SOLID CARD - [What is the Solid Card](https://support.solid.xyz/en/articles/13185531-what-is-the-solid-card.md): The Solid Card lets you spend your crypto globally via Visa, with up to 5% cashback in USDC depending on your Rewards tier. Available in 49 countries. - [Visa Platinum benefits on your Solid Card](https://support.solid.xyz/en/articles/15947210-visa-platinum-benefits-on-your-solid-card.md): The Solid Card is issued on the Visa Platinum tier, including purchase protection, price protection, extended warranty, and global auto rental insurance via the Visa Benefits Portal. - [Where the Solid Card is available](https://support.solid.xyz/en/articles/12899017-where-the-solid-card-is-available.md): The Solid Card is available to residents across Latin America, the Caribbean, Africa, Asia, Oceania, the Middle East, and the United States. - [Card fees & limits](https://support.solid.xyz/en/articles/12898984-card-fees-limits.md): The Solid Card uses a flexible, account-based system for spending limits and follows standard network-level merchant rules set by the issuer, Rain. - [How cashback works and how to spend it](https://support.solid.xyz/en/articles/15373733-how-cashback-works-and-how-to-spend-it.md): Solid Card cashback is tiered \(3% Core, 4% Prime, 5% Ultra\) and paid in USDC. Here's when it arrives and how to spend it or put it to work. - [How to move your card balance back to your Wallet or Savings](https://support.solid.xyz/en/articles/15373887-how-to-move-your-card-balance-back-to-your-wallet-or-savings.md): How to move your Solid Card balance back to your Wallet or Savings — step by step. - [How to get your Solid Visa Card](https://support.solid.xyz/en/articles/12898969-how-to-get-your-solid-visa-card.md): Getting your Solid Card is free: verify your identity in about 2 minutes, your virtual Visa card activates, then fund your wallet to start spending. - [How to top up your card balance](https://support.solid.xyz/en/articles/12898977-how-to-top-up-your-card-balance.md): You can top up your Solid Card using funds already inside Solid or directly from an external wallet. - [Spending online & in-store with Apple Pay & Google Pay](https://support.solid.xyz/en/articles/12898983-spending-online-in-store-with-apple-pay-google-pay.md): Once your card is activated and funded, you can use it anywhere Visa is accepted — both online and in physical stores. - [How to Deposit Money onto Your Solid Card](https://support.solid.xyz/en/articles/13223931-how-to-deposit-money-onto-your-solid-card.md): How to transfer USDC to your card and fund your Solid Card balance, whether your funds are already in Solid or in an external wallet. ## SECURITY & TRANSPARENCY - [How Solid keeps your funds safe](https://support.solid.xyz/en/articles/15360435-how-solid-keeps-your-funds-safe.md): Solid is non-custodial and built with multiple layers of protection — from smart account infrastructure to real-time threat monitoring. Here's how it works. - [Audits & security reviews](https://support.solid.xyz/en/articles/15360438-audits-security-reviews.md): Solid's smart contracts were audited by Cantina with 0 critical findings. The underlying protocols \(Veda, Morpho, Pendle\) have also been independently audited. Audit reports are public. - [Transparency: where your funds go & how to verify](https://support.solid.xyz/en/articles/15360442-transparency-where-your-funds-go-how-to-verify.md): Solid publishes all contract addresses, governance wallets, and yield sources publicly. Here's how to verify that your funds are safe and where they go. - [Contract Addresses](https://support.solid.xyz/en/articles/13185178-contract-addresses.md): This page lists all published contracts, system roles, and responsibilities across Fuse and Ethereum for Solid. It provides full transparency into how funds flow, who manages what, and the safeguards ## TROUBLESHOOTING - [KYC not approved — how to fix it](https://support.solid.xyz/en/articles/12913241-kyc-not-approved-how-to-fix-it.md): If your verification was not approved, it’s usually due to missing information or an unreadable document. - [Withdrawal stuck on “Pending”](https://support.solid.xyz/en/articles/12913270-withdrawal-stuck-on-pending.md): Withdrawals happen in two steps on the Withdraw screen: bridge to Ethereum \(~2 min\), then withdraw to USDC \(up to 24 hours\). Here's what to check if yours looks stuck. - [Card payment declined](https://support.solid.xyz/en/articles/12913274-card-payment-declined.md): Payments may be declined for several reasons. - [App shows wrong balance](https://support.solid.xyz/en/articles/12913275-app-shows-wrong-balance.md) - [Can’t activate my card](https://support.solid.xyz/en/articles/12913279-can-t-activate-my-card.md): To activate your Solid Card, complete identity verification. Here's what to check if activation is stuck. - [How to report a bug](https://support.solid.xyz/en/articles/12913282-how-to-report-a-bug.md): If you notice something unexpected, we want to hear from you. - [Wrong withdrawal of soUSD to an external wallet — how to get it back](https://support.solid.xyz/en/articles/12913286-wrong-withdrawal-of-sousd-to-an-external-wallet-how-to-get-it-back.md): If you accidentally sent your soUSD out of your Solid Wallet to your own external wallet \(EOA\), you can still complete the withdrawal to USDC. - [Deposit not showing — what to check](https://support.solid.xyz/en/articles/12913308-deposit-not-showing-what-to-check.md): Deposits land in your Wallet first, not Savings. Here's what to check if your deposit isn't showing after sending crypto. - [Passkey lost or new device — account access & recovery](https://support.solid.xyz/en/articles/12899067-passkey-lost-or-new-device-account-access-recovery.md): Lost your passkey or switched to a new device? Here's what to do depending on your situation. - [Why do I receive fewer soUSD than the USDC/USDT I deposit?](https://support.solid.xyz/en/articles/13250412-why-do-i-receive-fewer-sousd-than-the-usdc-usdt-i-deposit.md): When you deposit USDC or USDT into Solid, your funds are converted into soUSD. soUSD is a yield-bearing stablecoin.That means the yield is already included in its value. Because of this, 1 soUSD ... ## LEGAL - [Prohibited Activities Policy](https://support.solid.xyz/en/articles/14107309-prohibited-activities-policy.md): To ensure the integrity, legality, and security of our platform, Solid maintains a strict policy regarding the types of businesses, transactions, and users we support. The following activities and ... - [Solid Rewards Terms and Conditions](https://support.solid.xyz/en/articles/15613716-solid-rewards-terms-and-conditions.md): The end-user terms for the Solid Rewards program: eligibility, earning points, tiers, cashback, referrals, and program rules. - [Refer a friend: how to earn $15](https://support.solid.xyz/en/articles/15957286-refer-a-friend-how-to-earn-15.md): Invite friends to Solid and earn $15 in USDC for each friend who joins and starts using their card. Your friend earns $15 too. - [Solid Disclosures](https://support.solid.xyz/en/articles/16211955-solid-disclosures.md): Banking services disclosure \(SSB, Member FDIC\), the DeFi protocol disclaimer, and related legal documents for the Solid Card and Solid platform. - [Launch Week 10% Cashback Promotion: Terms and Details](https://support.solid.xyz/en/articles/16390031-launch-week-10-cashback-promotion-terms-and-details.md): Everything about the Launch Week promotion: 10% cashback for all tiers on eligible Solid card purchases from August 13 to August 20, 2026, capped at $100 per user. - [Fuse Network LTD Card Terms for U.S. Consumer Program](https://support.solid.xyz/en/articles/14285503-fuse-network-ltd-card-terms-for-u-s-consumer-program.md) - [Solid User Terms](https://support.solid.xyz/en/articles/14167026-solid-user-terms.md) - [Card Terms for International Business Program](https://support.solid.xyz/en/articles/14167050-card-terms-for-international-business-program.md) - [Card Terms for International Consumer Program](https://support.solid.xyz/en/articles/14167076-card-terms-for-international-consumer-program.md) - [Legal \(Privacy Policy & Terms & Conditions\)](https://support.solid.xyz/en/articles/13184959-legal-privacy-policy-terms-conditions.md) - [Account Opening Privacy Notice - Fuse Network LTD/ Solid.xyz](https://support.solid.xyz/en/articles/14285527-account-opening-privacy-notice-fuse-network-ltd-solid-xyz.md) - [Solid Virtual Account User Terms of Service](https://support.solid.xyz/en/articles/15324239-solid-virtual-account-user-terms-of-service.md)