felipealves.online

What It Is

BTC Proof is a wallet ownership proof tool provided on felipealves.online. Its core purpose is to “prove that your wallet is yours.” It is not a cryptocurrency exchange, wallet custody service, or payment platform; instead, it generates verifiable proof through wallet signatures. The page flow is Connect, Sign, and Result. Users can also enter a proof purpose of up to 200 characters, which is embedded into the signed message as legal or contextual information.

Core Capabilities and Security

According to the main content, the tool is compatible with Trust Wallet, MetaMask, and Electrum: Trust Wallet can connect via the WalletConnect QR code on the page; MetaMask can connect via WalletConnect or the browser extension; and Electrum can use Sign/Verify Message from the address menu on desktop. Its security design is the main highlight: the platform only requests a cryptographic signature and does not create any on-chain transaction, so funds do not move; private keys always remain inside the user’s wallet, and the website only sees the public signature. The challenge code is one-time use and expires after 10 minutes, helping reduce replay-attack risk. The page also states that it does not store addresses, signatures, or personal data, and that the code is open source and reviewable on GitHub. Third parties can also independently verify the proof using bitcoin-cli or any Bitcoin library.

Pricing and Fees

The main content does not disclose any pricing model, subscription, fees, or commercial version. Since the tool does not initiate on-chain transactions, normal use should not incur on-chain miner fees. However, the page does not state whether there may be future charges, API limits, or fees for a hosted version.

Pros and Cons

Its advantages are clear positioning, low risk, and privacy friendliness: users can prove control of an address without making a transfer, and private keys never leave the wallet. The one-time challenge and short expiry window also align with basic security practices. The downside is limited disclosure: there is no visible information about the operating entity, country, terms of service, compliance qualifications, third-party security audits, or customer support channels. It also does not provide trading, fiat deposits or withdrawals, KYC, leverage, or derivatives features, so it cannot be used as a trading platform.

Who It’s For and Access from China

It is suitable for individuals, developers, community verification scenarios, and possible legal or compliance processes that require proof of control over a specific Bitcoin address. For users in mainland China, the main content does not provide information about accessibility, so its China access status can only be rated as unknown. Overall, this is a practical open-source signature proof tool, but it should not be mistaken for an exchange or asset management platform.