Pseudorandom numbers are used in applications like lotteries, gaming, and even random selection in NFT sales/giveaways. In some cases, it is necessary to prove to third parties that a random number was generated without the influence or control of a user/application. With Hedera, you have a transaction and Solidity library…

When you create a new non-fungible token using the Hedera Token Service (HTS), you have the possibility to set one or multiple royalty fees. You can do this by using the CustomRoyaltyFee method, which allows you to set all parameters for your custom NFT royalty fee. …

The implementation of HIP-573 in mainnet release v0.31 (November 10th, 2022) enables token creators whose tokenomics require custom fees and different collection accounts to exempt fee collectors from paying custom fees when exchanging token units. This example guides you through the following steps: Creating a Helper Function and defining three…

In use cases like DeFi, contracts often need to mint, burn, or transfer 0 units of a token due to integer rounding. The implementation of HIP-564 in release 0.31 of Hedera Services enables smart contract developers to specify a zero value for contract functions performing token operations. The benefit is…

HIP-32 introduced the ability to auto-create accounts when sending HBAR to an alias that does not exist on the network. When HBAR is sent to an alias that does not exist on the network, the account creation fee is deducted from the HBAR sent and the account is auto-created. The…

The Hedera Portal is where developers create test accounts that enable building applications in development, risk-free, and cost-free environments (testnet, preview, or local network). …

Allowances grant another account (spender) the right to transfer HBAR, fungible tokens (FT), and non-fungible tokens (NFTs) from your account (owner). The ability to approve allowances is important because it enables applications like exchanges and wallets to perform transfers on behalf of their customers without requiring a customer to sign…

Allowances grant another account (spender) the right to transfer HBAR, fungible tokens, and non-fungible tokens from your account (owner). The ability to approve allowances is important because it enables applications like exchanges and wallets to perform transfers on behalf of their customers without requiring a customer to sign every single…

In relation to HIP-367, the consensus node will no longer return the token information for getAccountInfo, getContractInfo and getAccountBalance. This will take place 6 months after the mirror node REST APIs to access this info are released. …