Operators that allow automatic and recurring payments - i.e. for subcription services, monthly payments etc.

Any token holder can “authorize” or “revoke” authorization for a particular smart contract to manage funds according to personal interests. Operators are smart contracts who can take care of fund-management for the holder. An operator can be in charge of functions like filling one’s hot account (the account one uses openly and frequently) by moving tokens from a more secure personal account periodically in a smart way. It can also be used as an intelligent exchange manager, a cheque processor or an automatic charging system. Operators offer high level of security. One can program one’s operator to be able to execute withdrawals only to one’s own address making it invulnerable to hacking.

Compatibility with ANY ERC20 wallet and Exchanges

ERC777 standard is backwards compatible with DApps that do not implement its advanced functions, like any wallet made for the ERC20 standard (all common wallets like MEW, MIST, MetaMask, etc.). This also means that any exchange supporting ERC20 tokens will be able to list our ERC777 token, CALL.

Updatable token functions that allow improvement - no more token swaps needed

A token, as opposed to a coin, is basically a program running in a Blockchain constructed to be a super computer. The best example of a super computer of this kind is the Ethereum network. As any other computer program, a token contains a number of functions inside that are developed and implemented by software developers in computer code. Many tokens have the disadvantage that, after being deployed to the Blockchain, they cannot be modified. So, it is impossible to add new functionality to them. Un-scalability is one of the negative features that can make hundreds of tokens lose value in the future, since one has to destroy all the tokens and replace them with new ones to add one new function. CALL token solves this major issue by providing the capacity to update functionality and develop new versions of the token according to new future needs and advances.

Increased security through recognition
of unsuitable smart contracts

It has been a well known security issue in ERC20 standard, that, if a holder sends tokens to a smart contract, since most contracts can not verify if they are able to receive and administer the tokens properly, it is easy to end up getting one’s tokens locked in a smart contract forever. So far, millions of dollars are reported to have been lost because of this kind of errors. ERC777 solves this problem by improving the functions related to withdrawals whose target is a smart contract, and by analyzing the functions of the smart contract before the withdrawal is executed.


The Very First Token Powered By ERC777

Latest advanced Dapp-friendly features

ERC777 Standard uses the same kind of function Ether uses when sending tokens; this enables the sending of information about the transaction together with the data of destination and amount; this way the sender of tokens can also specify details about the transaction.

Higher level of control for holders:
option to choose with whom to transact

Both contracts and regular addresses implement a modern paradigm of full control of the function of sending tokens by registering the destinations. Also all types of addresses implement a revolutionary paradigm of full control of the function of receiving tokens by registering unwanted tokens’ contract. This means token holders can choose to whom they want to send, or from whom they want to receive, tokens. The common ERC20 standard does not provide this level of freedom or free will. In ERC20 one cannot register in the Blockchain to whom one wants to deposit tokens. And the reception of tokens can happen as an imposition, because you are not able to reject unwanted tokens. ERC777 has solved these issues.

Batch Transfer - Capacity to execute 255 payments in one transaction - i.e. for businesses to pay salaries or monthly payments

As with any form of computation performed on the Ethereum network, all token transactions must pay gas (Ether) for the network to process the transaction. Each transaction pays a certain amount of gas which for most tokens presents an issue when they are considered for massive adoption. Thanks to the inventive soldity knowledge of our Forensic Security Specialist Panos, CALL token implements one distinguishing feature: the capacity to execute up to 255 payments in one transaction, but pay a network fee equivalent just one transaction.


Offers a wide range of transaction-handling mechanisms

Total Supply locked at 777 Million tokens

The maximum amount of CALL tokens that will ever exist is 777,000,000 tokens (777 Million CALL). Never will this amount of tokens increase. This total supply is locked by the smart contract and cannot be modified anytime in the future by any means.

CALL Token Specifications

Token Name
Token Type
Ethereum ERC777 (Backwards compatible with all ERC20)
Contract Address
Decimals/ Granularity
18 / 0.01
Total Supply/Max Supply
777 000 000 / 777 000 000

Token Distribution

Total Supply

Token Allocation

Token Distribution

You want to own CALL, the first ERC777 token ever?

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