
JPM Coin on Ethereum: What ETH Holders Need to Know
JPM Coin is now available on Ethereum as well as Base, but only approved institutional clients can hold it. ETH holders do not need to move their assets.
Guides, tutorials, and deep dives to help you master crypto self-custody.
Foundational concepts every crypto user should know — wallets, keys, transactions, and blockchains explained.
16 articles
Protect your crypto: seed phrases, phishing, scam patterns, and hardware wallet best practices.
17 articles
Decentralized finance explained — staking, lending, swaps, yield, and how to use DeFi safely.
38 articles
NFTs, digital collectibles, and on-chain ownership: how they work and how to manage them.
12 articles
Step-by-step walkthroughs for common crypto tasks — sending, receiving, swapping, and recovering.
21 articles
Deep dives into individual coins and chains — what they do, how they work, and how to hold them.
51 articles

JPM Coin is now available on Ethereum as well as Base, but only approved institutional clients can hold it. ETH holders do not need to move their assets.

Solana has scheduled its Alpenglow consensus upgrade for October 21, during epoch 1064. The upgrade targets roughly 150-millisecond finality, but that remains a goal rather than a measured mainnet result.

Ledger says an implant in some CryptoBilis-sold devices copied recovery phrases during setup and sent them over a cellular connection. Buyers who used an affected device need a new wallet with a newly generated phrase.

Coldcard says it is investigating a phishing link posted from its official X account. The incident is a reminder to check wallet security notices through a separate channel before opening links or sharing secrets.

French lawmakers have reportedly backed a proposal to report self-custodied crypto holdings above €100,000. Here is who it could affect, what a declaration might cover, and why holders have no new filing duty from the proposal alone.

A patched XRP Ledger flaw could have allowed unauthorized XRP to enter the supply. The October 9 disclosure reports no evidence of exploitation on the public network, so holders do not need to move their funds because of this bug.

Ledger is investigating reported wallet drains involving devices bought from CryptoBilis. The cause remains unconfirmed, but recent buyers can take practical steps to check their devices and protect their recovery phrases.

XRP Ledger accounts can now grant another account selected transaction powers without sharing their main key. Here is how delegation works and what self-custody users should review before granting access.

Samsung plans to bring USDC transfers on Solana to Samsung Wallet for U.S. Galaxy users. Here is how an onchain transfer works, what the announcement leaves open about custody, and what to verify before sending.

The CFTC is seeking public comment on crypto transactions and markets, including issues that affect leveraged retail trading. The request opens a discussion about protections but does not change the rules today.

FinCEN withdrew proposals covering certain transfers to self-hosted wallets and transactions involving crypto mixing. Here is what the proposals would have required and what their withdrawal means for people who hold their own keys.

NU7 has reached Zcash testnet ahead of a planned November mainnet launch. Here is what faster confirmations and changes to older shielded transactions could mean for ZEC holders.