GLOBAL MUSIC ASSET ASSURANCE DIGITAL CURRENCY: A DRM SOLUTION FOR STREAMING CONTENT USING BLOCKCHAIN

Dhinaharan Nagamalai et al. (Eds) : ACSIT, ICITE, SIPM - 2018
pp. 01–11, 2018. © CS & IT-CSCP 2018 DOI : 10.5121/csit.2018.80801
GLOBAL MUSIC ASSET ASSURANCE
DIGITAL CURRENCY: A DRM SOLUTION
FOR STREAMING CONTENT USING
BLOCKCHAIN
Ahmed Gomaa
Department of Operations and Information Management,
University of Scranton, Scranton, USA
ABSTRACT
The amount of piracy in the streaming digital content in general and the music industry in
specific is posing a real challenge to digital content owners. This paper presents a DRM
solution to monetizing, tracking and controlling online streaming content cross platforms for IP
enabled devices. The paper benefits from the current advances in Blockchain and
cryptocurrencies. Specifically, the paper presents a Global Music Asset Assurance (GoMAA)
digital currency and presents the iMediaStreams Blockchain to enable the secure dissemination
and tracking of the streamed content. The proposed solution provides the data owner the ability
to control the flow of information even after it has been released by creating a secure, self-
installed, cross platform reader located on the digital content file header. The proposed system
provides the content owners’ options to manage their digital information (audio, video, speech,
etc.), including the tracking of the most consumed segments, once it is release. The system
benefits from token distribution between the content owner (Music Bands), the content
distributer (Online Radio Stations) and the content consumer(Fans) on the system blockchain.
KEYWORDS
Blockchain, Cryptocurrency, Digital Rights Management, Public Key, Private Key
1. INTRODUCTION
1.1 Streaming Content Problem
The online streaming music in the United States has been increasing in the past several years. It
currently accounts for 65% of the music online share [1]. The multibillion dollar industry is
constantly faced with intellectual rights infringement. For instance, in January, 2018, Spotify, a
music streaming company was sued by Wixen Music Publishing Inc. for allegedly using
thousands of songs, without a license and compensation to the music publisher [2].
There are two main music royalty collecting societies in the USA: the American Society of
Composers, Authors and Publishers (ASCAP) and, Broadcast Music Inc. (BMI), with hundreds of
thousands of members each. If two artists collaborated on the same music album, but are
subscribed to different royalty collecting societies, they will receive different royalties, a fact that
shows the discrepancy in how played streams are counted in different organizations. As of 2016,

2 Computer Science & Information Technology (CS & IT)
ASCAP and BMI alone collect and disburse payments in the range of $1.8 billion annually on
behalf of hundreds of thousands of musicians for royalties around the world. It is not the actual
value of the market. According to Institute for Policy Innovation (IPI) 2007 report, that it is
costing the US economy more than 12 Billion dollars due to sound recording piracy in the US. In
2017, ASCAP and BMI announced the creation of a new comprehensive musical works database
to increase ownership transparency in performing rights licensing that is expected to roll out at
the end of 2018 [3]
The problem becomes more challenging when considering the online radios, and the Disk
Jockeys (DJs) who are mixing music live and stream it online with audience listening around the
world. The sale and distribution of media content using a digital medium provides simple and
flexible production, consumption, and transmission of such content. However, it also reduces the
efforts needed for unauthorized usage of this data. Thus, digital media content is more easily
copied, distributed, or used in a manner not allowed by law or license agreement.
1.2 Blockchain Technology Overview
Blockchain enables secure peer to peer transactions [4]. There is a number of existing public
blockchain platforms including Ethereum and Bitcoin Blockchain. Each platform has its own
purpose. For instance, Bitcoin Blockchain enables a peer to peer cash system to allow online
payments and allows for tracking ownership of the digital currency. On the other hand, Ethereum
platform focuses on running the programming code of any decentralized application [5]. To
incentivise and assure the decentralization concept, each blockchain platform rewards the
platform participants, called miners, with coins, either Bitcoins on the Bitcoin Blockchain or
Ether on the Ethereum blockchain. It may be viewed as a compensation for the work done. Each
block on the blockchain includes a number of transactions. The blockchain platformsare designed
for the entire network to consume electricity proportionate to the amount of coins given to the
miners. Once a block is added, all miners compete to solve the computational problem for the
new block. On the bitcoin blockchain, a new block is created every 10 minutes on average, while
on the Ethereum blockchain, a new block is created every 15 seconds on average. At any given
day, the amount of money spent by the entire network on electricity will be proportional to the
amount of money gained by those who find the correct answer first. For instance, on a certain day
in April 2018, on the Bitcoin Blockchain, 153 blocks were mined, with an average time of 8.72
minutes between every block, the 153 blocks contained 226,626 transactions. The estimated
profits from the miners on that day was $17,344,399.98, on the other hand 43% of that amount is
estimated to be spent on the electricity by the entire network. In the Ethereum blockchain, instead
of mining for bitcoin, miners work to earn Ether. Since Ethereum blockchain is designed to run
programming code on decentralized application, its protocol can be used as a tool for self-
operating computer programs that automatically executes when specific conditions are met.
1.3 Public Key / Private Key infrastructure
Both Bitcoin and Ethereum blockchain implementations use public key / Private Key
infrastructure, were it is used in digital wallet creation and transaction generation and verification.
For instance, to generate a Bitcoin wallet, the digital wallet software will generate a new private
key and a corresponding public key. These keys are later used by the owner of the wallet to send
and receive coins on the platform. The concept is that someone may digitally sign an item, to
confirm they are allowing an action to take place with a private key. In the Bitcoin
implementation, it is sending money. Once a transaction is signed by the owner and sent to
miners to be added to the blockchain, after the proof of work is done by the miners and a new
block is added to the blockchain, the money is sent from one wallet to another.

Computer Science & Information Technology (CS & IT) 3
The paper attempts to benefit from the proof of concept manifested in public key / private key
infrastructure implemented on the Ethereum blockchain along with the capability of running
decentralized programming applications on the blockchain to address the piracy problem on
streamed online content on a new blockchain network, named “iMediaStreams
Blockchain”.iMediaStreams Blockchain is a decentralized solutionto music publishing houses as
it addresses the process of validating the authenticity of the music streams.
1.4 Current Solutions and their problems:
Lawmakers recognized the growing need to protect digital media and enacted the US Digital
Millennium Copyright Act (DMCA) [6, 7] to protect property rights. One approach to curbing
the proliferation of illegal activity surrounding digital media content is to incorporate a form of
Digital Rights Management (DRM) into the digital content. DRM can be used to detect and
verify ownership of data and to control access to the data in accordance with a policy determined
by the content creator or distributor. A further approach frequently incorporated in a DRM system
is to embed a digital watermark in the digital media file. A digital watermark is information that
is generated and interspersed in the data of the digital media file but cannot be perceived by the
audience of the digital media file [8, 9, 10]. For example, to a listener, a digital audio file that
contains a watermark would sound identical to the digital audio file without the watermark.
However, an examination of the data (e.g., by media player software) can detect (i.e., extract) the
watermark to determine if the file has been modified in some way. Possible modifications that
could alter the watermark include compression of the data [11-19], cropping an image or video or
attempted removal of the watermark. Watermarking can also be used to fingerprint a file; such
that different recipients receive differently watermarked content. Thus, by examining the
watermark, the proper owner of a file can be determined and any tampering with the file can be
detected. Attempts to address the DRM in streaming music are presented in [20], [21], and [22]
where the main difference in this paper lies in the usage of the blockchain technology and having
a digital wallet within the browser plugin. [23] Introduced the concept of using Blockhain in
controlling digital content, but did not allow for cross platform rendering and access policy
control on the media file. [24] Presents an access control policy on the blockchain. The main
difference in the paper in contrast with the recent publications and patents is in the way this paper
includes the access control on the file header instead and the build in player, an architectural
difference that allows for the destruction of the file even after being send out. Current commercial
DRM solutions focus on watermarking digital media content to indicate ownership of a specific
copy of the content and ways to track and prevent unauthorized reproductions and distributions.
One such solution is Windows Media Rights Manager (i.e., windows media DRM 10). However,
this solution is limited to a Windows environment and is not compatible or accessible on other
computing platforms. Furthermore, it provides only a single layer of security, which if defeated
can expose all content distributed with the system.
Currently, each major legal download services uses its own proprietary DRM algorithm, limiting
which portable playback devices consumers can use with any given system. For example, music
bought on iTunes can only be played on devices with an iTunes software installed. Still, the
music industry is in need to protect its constituent’s rights, while promoting the music industry by
not being constrained by the hardware or software played. Further, it is important to track and
control the released files that are aired online. Being able to provide a control mechanism on the
released songs, and a transparent reporting capability is highly valued by reporting agencies as
well as by musicians and production houses.
Due to the use of such digitized media, new tools are needed by the owners of Intellectual
Property and digital content to assert their rights and to prevent unauthorized usage. Content
owners are interested in a number of aspects including

• Means to indicate ownership on online contents for monetization.
• Tracking digital content consumptions.
• Controlling the dissemination of the content already released.
What is needed in the art is a platform-independent DRM system for monetizing, tracking, and
controlling the usage of digital media content and providing robust multi-level security to prevent
the subversion of the protection system.
2. PROBLEM STATEMENT
Given the current state of piracy in the online music industry, and the current advancement in
blockchain platforms, the paper is addressing how to monetize, track and control after
dissemination online streamed content. This paper proposes a Digital Rights Management
solution for the stated problems using blockchain and cryptocurrency technology
3. PROPOSED SOLUTION
3.1 System Architecture
To address the tracking problem of music, the relationship between the music bands, online
streaming portals and the fans needs to be addressed. The proposed solution depicted in figure 1
promotes the reward of the fans for listening to their favourite music bands if the fans opted to do
so. This is needed to incentivise the fans to participate in the system. The first step for the music
bands is to generate their content into a portable secure format, that is self-rendering and cross
platform. For streaming portals to include that content, they will need to use a Global Music
Asset Assertion (GoMAA) token to allow them to stream the content on their portals. As the Fans
tune in the online streaming portals, the fans will be presented with the option to install a browser
plugin which includes a digital wallet, the fans will collect GoMAA tokens as they consume the
content. The fans start collecting rewards for every streaming content they consume; the online
radio stations provide those rewards in GoMAA tokens. All token transactionsare recorded on the
iMediaStreams blockchain, which includes the streaming site, the content played, and the
listeners’wallet hashed address. For online radio stations, number of songs streamed will be
recorded on the blockchain. For Fans, if they opted to use their digital wallet to collect coins, the
number of songs they listened to will be recorded on the blockchain, using the fans wallet hashed
address. Having all the information on the blockchain addresses the royalty discrepancy problem
as the information is accessed by all while preserving the privacy of the streaming stations,
listeners and music bands. The following sections explains the system components in details.
Figure 1: DRM Global Music Asset Assertion Token (GoMAA)

3.1.1 The Global Music Assets Assurance (GoMAA) Token on iMediaStreams
Blockchain
The iMediaStreams Blockchain ecosystem is a safe environment for the buying, loaning, renting
and selling of media streams. This environment is securely accessed through the GoMAA Tokens
as the only means of exchange within the platform.
3.1.2 The Coin
The GoMAA Coin token is a cryptographic token, created to be exchanged for digital streaming
content. It is the only mean of exchange on the iMediaStreams Blockchain to give all participants
access to value they seek, whether they are the music producers, the online radio stations or the
fans. The token is of fixed supply, fractionally divisible and non-inflationary over the long term.
GoMAA Coins may be exchanged on the major cryptocurrency exchanges.
3.1.3 Protocol
The GoMAA Coin token is using an ERC20 [25] token protocol on the iMediaStreams
blockchain. This token interface will enable the issuance of the GoMAA Coin token to be
integrated and utilized within iMediaStreams ecosystem, which includes a Points Reward System
for the media consumers. The tokens will be used by the online radio stations to buy streaming
rights from Music Bands or to encourage loyal fans to explore more music or a combination of
both. Every Music Band and Fan will set their value based on information provided about their
value as determined by the iMediaStreams blockchain public record. A Fan may share
preferences, their network of friends and followers, or even offer to share unused computing
power or storage, just to name a few. All these make the Fan more attractive to both streaming
radio stations and Music Bands, which will make them being valued at a higher token share.
Music Brands may provide more information about their fan base, the venues, and their tours, for
commanding a higher valuation for their content in terms of token required to stream their
content.
iMediaStreams Blockchain creates an ecosystem where all participants are compensated through
the usage of GoMAA tokens based on smart contract fulfilment, which creates a DRM
environment where everyone benefits.
To be able to use the tokens on the blockchain network, Figure 2 shows the overall architecture of
the DRM solution
Figure 2: The overall architecture of the DRM solution

The details of the Conversion to SPS format are shown in Figure 3 and the format of the SPS is
shown in Figure 4. Figure 5 shows the playback process at the receiver end whereby the content
released to another party undergoes the Blockchain validation before the final rendering.
3.2 Secure Portable Streaming Format (SPS)
The first step is in converting the media file in a high level proprietary format that is both secure
and portable. In addition, the content needs the options for tracking and dissemination control
once released. Figure 3 shows this conversion process which converts the original content into a
Secure Portable Streaming format (SPS).
Figure 3: Conversion of original content to SPS
1. The initial content is encoded to insert a Watermark and Transaction ID (fingerprint).
Thisis utilized when validating the transaction on the blockchainto verify privileges and
rights. The fingerprint is the smart contract public key of the streaming content. Every
streaming content will have its own corresponding smart contract. Prior to creating the
contract address, the original content file itself is augmented with a high frequency hertz
wave (> 20,000 Hz) to be outside of humans’ ears capabilities, but act as a signature to
the audio file, without impacting the quality of the audio. The fingerprint can be added to
the audio file in intervals determined by the content owner.
2. In addition to having access control on the smart contract of the audio file, the Meta Data
structure is defined based on additional usage, protection and distribution constraints as
specified by the content owners. For this, the paper uses a meta-data security mechanism
based on the digital content owners’ requirements for protection and tracking of their
content. This security mechanism is integrated into the DRM system and characterizes as
a second layer in the multi-level security information flow involving permission to
stream and copy, with build in instruction for access rights, including permission to
stream, copy, or transfer information, “time-to-live”, number of viewings allowed, even
self-destruction. The security policy within the metadata on the SPS file header
articulates the number of tokens needed to consume the streamed content intervals. The
consumed content is published on the blockchain.

3. The renderer for the online radio streaming server is only activated based on the
available tokens on the radio station wallets. Those tokens will be used to pay the content
owners after the streaming is done. The renderer for the fans will be activate according to
the content smart contract. If tokens are required from the fans to listen to the content, it
will not be rendered to them unless they have enough tokens to pay after receiving the
required stream. If no tokens are required, the plugin will enable the rendering of the
files.
4. The amount and types of available tokens enables different activities. Token act as
private keys that are needed. The public key represented as the streaming content id is
known to everybody and the private or secret key is only known to the intended recipient
who own the tokens.
• Once a content is streamed, the smart contract clears the transactions, and the GoMAA
token passes from the streaming portal to the content owners, the fans, and the
iMediaStreams blockchain. If the streaming of the content cannot be validated, it is
presumed to be invalid, and the GoMAA token does not transfer. The final outcome is
recorded and provable. This will directly lead to the conclusion of the reconciliation
debate between different tracking organizations.
3.2 Data Format of the SPS
Figure 4 shows a sample bit-stream for the SPS format. The encryption key is embedded in the
machine code (which is invisible) for different players such as Win 32/64, UNIX, Mac etc. The
transaction ID (or equivalently fingerprint) which contains the privilege or rights information is
part of the Encrypted code.
Figure 4: Sample format for SPS
The file can be self-rendered, given that a browser has a digital wallet plugin, which includes
GoMAA tokens if required by the content owner and articulated in the media smart contract.
3.3 Playback/Rendering of released content or media
The renderer or player is a cross platform plugin installed on the fans’ browsers. The plugin act as
a digital wallet and as a media render, as depicted in figure 5 below.

Figure 5: Playback or Rendering Process
The renderer or player aims for a self-extracting auto-executing player and digital wallet which is
compatible across different browsers. This plugin prepares the content for the next step in the
process, namely, the Access Control policy defined on the file header/. In order for the player to
be able to control the original content after dissemination, invocation codes associated with that
data are incorporated and installed on the player, where the required parameters include the
predefined limitations on the data. Each time an action is taken on the content via the player
(Play, FF, RW, etc.) the associated invocation code is activated and the action is counted and
compared versus the original policy set at the server side. If the action is satisfied, the appropriate
code is sent to the player to enable the file to play. The player consists of a bundle of optimized
and compact platform specific players (each being machine specific binary code) along with a
portable bootstrap script (for which a Java script model is used).
4. USE CASES
4.1 Buying Streaming content rights Using iMediaStreams Blockchain
iMediaStreams Blockchain provides an open ledger solution to address the discrepancy in
monetising, tracking and controlling online streams. It provides music professionals with an
environment where they release their music with 100% confidence that their high quality original
content will be traced all the time. The transaction, once validated, is recorded to the blockchain
and there is no longer any confusion or debate as to the transaction and reconciliation.
The proposed iMediaStreams Blockchain is built on an ERC-20 standard, iMediaStreams
Blockchain utilizes smart contracts to enforce this transaction. iMediaStreams Blockchain, in its
simplest form, is effectively a white list of legitimate online music disseminators and retailers.
The smart contract quickly assesses if the song played on a domain validated by its record on the
blockchain. If it doesn’t appear on the blockchain and is a new domain to the environment,
iMediaStreams Blockchain acts as a validation point using its data relationships to assess the
played stream. Once the played stream is validated, the smart contract clears the transaction and
the GoMAA Token passes from the content disseminator to the content owner. If the played
stream cannot be validated, it is presumed the played stream is invalid and the GoMAA Token
does not move. The final outcome is recorded and provable and any potential debate over
reconciliation disappears between content owners and content disseminators. Since transactions

are validated in a short period of time, iMediaStreams Blockchain creates another change for
music industry. Payment cycles can be shortened to the time it takes the smart contract to
complete. If both parties desire, payment is nearly instantaneous. The option of reducing payment
cycles from a few months to minutes is possible. The tracking agency collects a royalty, payable
in GoMAA Tokens, on these transactions. These commissions are charged as a percentage of the
transaction value.
4.2 iMediaStreams Blockchain to Compensate Listeners:
Listeners of songs are drawn to pirated content to save money. They can actually be compensated
by the system if they are enjoying a higher quality song from their preferred bands.
iMediaStreams Blockchain gives the content consumer ownership on how to use their tracked
information, if any. The iMediaStreams Blockchain lets the listeners receive compensation. Upon
consuming a digital asset, listeners receive GoMAA Tokens as a reward. These tokens can be
used for many purposes within the iMediaStreams ecosystem ranging from free ad blocking to
promotional offers from similar bands. Only by completing the value circle do all parties of the
digital asset consumption transaction benefit. This is the value exchange missing from the online
music industry today.
5. CONCLUSION
The paper presents a solution for a number of problems in the DRM space. First, it presents an
overarching proposition to music monetization, tracking, and controlling. The music monetization
takes place by allowing the content owners to have their content accessed using the public/private
key infrastructure within the iMediaStreams blockchain. Every time the content is streamed or
downloaded, GoMAA tokens are exchanged according to the rules depicted on the content smart
contract.
The Tracking of the music takes place by two means, the first is by querying the iMediaStreams
blockchain, where information about how many time, each content is consumed is recorded. The
second mean is by checking the security server that validates the access policy on the file header.
The controlling part is placed as an invocation code of the player, requiring a confirmation from
the Security server to render the content or even destroy it based on the security policy as
depicted on the file header. In specific, the paper presents a system for generating and controlling
access to copy-protected media files. The system includes a server having a processor and a
computer readable medium encoding a server software program. The server software program is
configured to encode and, encrypt the media content, store the resulting data in the digital media
file, embed a transaction ID, or the smart contract public address, in addition to a user-access
policy stored in the digital media file header, and embed a multi-format renderer in the digital
media file. The multi-format renderer is configured to render the encrypted electronic file, and is
further configured to generate an invocation code in response to a requested operation on the
electronic file, retrieve the transaction ID associated with the electronic file, compare the
invocation code to the user-access policy, and selectively respond to the requested operation
based on a result of the comparison of the invocation code to the user-access policy. Future work
includes tracking subsections used in streamed online content and how to create a valuation
model for the content disseminated and the Fans using their information and influential
relationships within the ecosystem.
In summary, the paper presents three main advantages:
1. A DRM system focusing on the secure delivery of entertainment and information to IP
devices and television set-top boxes

2. A system that accounts for files consumption in digital streaming formats and for
determining usage fees such as copyright royalties.
3. Allowing content distributors the freedom to pursue new revenue opportunities made
possible by digital distribution by development and licensing copy protection, electronic
licensing and rights management technologies
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GLOBAL MUSIC ASSET ASSURANCE DIGITAL CURRENCY: A DRM SOLUTION FOR STREAMING CONTENT USING BLOCKCHAIN

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