What an RPC is, why yours is failing, and when to run a node.
Moving btc between chains without wrapped tokens — the full guide to this subject.
Your RPC endpoint returns outdated block data when the node behind it has fallen out of sync with the rest ...
Both Alchemy and Infura offer free tiers for Ethereum RPC access, and the choice between them depends on yo...
An RPC provider API key is a unique identifier that grants you access to a third-party node service, and it...
An "internal error" on an Ethereum RPC means the node you are querying hit something unexpected and could n...
Rate limiting your own RPC node means configuring it to reject or throttle requests that exceed a threshold...
The transaction will appear to be accepted by the node, but it will never be included in a block on the can...
A stuck Ethereum transaction is one that has been submitted to the network but remains unconfirmed for an u...
Your self-hosted node falls out of sync because it cannot process new blocks fast enough to keep up with th...
The "invalid JSON RPC response" error means your client received data from an RPC endpoint that it could no...
Monitor RPC endpoint latency and health by sending regular, low-cost JSON-RPC calls from a server in the sa...
A private RPC endpoint is an exclusive JSON-RPC gateway that only you or your application can use, as oppos...
The choice depends on what you need from the connection. Use HTTP for single requests that return a respons...
Your RPC request returns an empty response because the node you are querying either does not have the reque...
A "connection refused" error on an RPC endpoint means your wallet, dApp, or script tried to reach the RPC s...
When an RPC endpoint runs out of compute units, every request you send to it fails with an error indicating...
An RPC endpoint URL is a web address your wallet or dApp sends requests to when it needs to read blockchain...
Yes, you can use the Lightning Network to swap Bitcoin without waiting for on-chain confirmations, but only...
A non-custodial Bitcoin swap never requires you to hand over your private keys. Instead, the exchange happe...
Your swap will stall. The exchange will not see your Bitcoin arrive in time, if at all. The transaction sit...
Swapping native Bitcoin means you send actual BTC from the Bitcoin blockchain and receive another asset in ...
Use the exact address type the swap service displays in its payment instructions. If it shows a legacy (P2P...
Bitcoin swap fees rise during mempool congestion because every on-chain Bitcoin transaction must compete fo...
Bitcoin swaps take longer because Bitcoin's block time is roughly ten minutes, while most other chains prod...
The Bitcoin amount you receive differs from the quoted amount because the quoted price is a snapshot taken ...
Chainlist is a convenient tool that aggregates RPC endpoint URLs for hundreds of blockchains. You paste a c...
A common misunderstanding about Ethereum RPC is that `eth_call` costs gas. It does not. This is a read-only...
A widespread misconception holds that you need an archive node for almost anything. It is not true. Most qu...
The choice of execution client is not abstract. It determines how much disk space you need, how fast your n...
A single RPC provider is a single point of failure. If that provider goes down, rates you, or starts servin...
A Remote Procedure Call, or RPC, is a way for one program to ask another program to run a function and retu...
You are building a dapp and your RPC calls return a 403 Forbidden error. This is common when using provider...
A 429 status code means your application has exceeded the rate limit set by an RPC provider. This happens f...
If you have built an event indexer on Ethereum, you have hit this wall. You send an `eth_getLogs` request a...
You send a transaction. It fails. The only message you get back is "execution reverted." No reason string. ...
You call a method. The RPC endpoint replies with an error: the method does not exist. This is not a bug. It...
You're about to send a transaction. MetaMask spins. Nothing happens. Then you see it: "nonce too low." The ...
Send exactly to:
This asset needs a memo / tag. Send it with or the exchanger cannot credit your deposit.
You receive about at . Exchange reference .
Status: waiting for your deposit
You send from your own wallet straight to the exchanger — nothing to connect, no account, and you stay on this page throughout. Rates are indicative until a swap is opened.
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Your RPC endpoint returns outdated block data when the node behind it has fallen out of sync with the rest of the network - or when the endpoint itself is a load balancer pointing at a mix of healthy and lagging nodes. The block number you receive in a response tells you exactly where that node thin
Both Alchemy and Infura offer free tiers for Ethereum RPC access, and the choice between them depends on your specific needs around rate limits, features, and reliability. This page compares the free tiers of both providers so you can decide which fits your use case.
An RPC provider API key is a unique identifier that grants you access to a third-party node service, and it matters because it controls who can use that provider's infrastructure and under what conditions. Without one, you are limited to public endpoints that are slower, less reliable, and more like
An "internal error" on an Ethereum RPC means the node you are querying hit something unexpected and could not process your request. The fix depends on whether you are using a public RPC provider or running your own node, but the first step is always the same: isolate the problem by testing a differe
Rate limiting your own RPC node means configuring it to reject or throttle requests that exceed a threshold you define. You do this to protect the node from overload, abusive traffic, or simply to enforce fair use if you share the endpoint with others. The setup is not a single switch; it depends on
The transaction will appear to be accepted by the node, but it will never be included in a block on the canonical chain. You will see a "pending" status that never resolves, and your wallet will show the transaction as stuck until you replace it or the node catches up and rejects it. The exact behav
Strive’s latest Bitcoin purchase lifted its holdings to 23,156 BTC, making it the fifth-largest publicly traded corporate holder as crypto markets rebound.
Cointelegraph ·
Crypto projects spent a record $638 million on token buybacks so far in 2026, as more protocols are turning their revenue into buybacks to return more value to token holders.
Cointelegraph ·
Gabriel Perez used his access to Trump's speeches before delivery to bet on "presidential mention market" contracts, profiting more than $107,500 before the CFTC caught up with him.
Decrypt ·
Stellar’s real-world asset market has expanded rapidly this year as institutional adoption and tokenization activity grow across the network.
Cointelegraph ·
Bitcoin Magazine Bitcoin Cools Off After $3 Billion ETF-Driven Surge Bitcoin's run slowed down Friday after the Federal Reserve chief said inflation was too hot. Its run was charged by speculators throwing billions at the popular investment vehicles. This post Bitcoin Cools Off After $3 Billion…
Bitcoin Magazine ·
The approved proposal doubles Solana’s annual disinflation rate from 15% to 30%, reducing future SOL issuance while leaving its long-term inflation target unchanged.
Cointelegraph ·
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Your trade happens inside the exchange's own ledger. Nothing touches the blockchain until you withdraw.
You swap from your own wallet. The transaction settles on the chain and you pay its fee.
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